Home / 19,490.65-26,897.10-10,538.15

Finding the Fourth Proportional to 19,490.65, 26,897.10 and 10,538.15

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Solution

The fourth proportional to 19,490.65, 26,897.10 and 10,538.15 is: 14,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.65 : 26,897.10 = 10,538.15 : x
  2. Step 2: Convert to fraction form
    19,490.65/26,897.10 = 10,538.15/x
  3. Step 3: Cross multiply
    19,490.65x = 26,897.10 × 10,538.15
  4. Step 4: Simplify right side
    19,490.65x = 283,445,674.37
  5. Step 5: Solve for x
    x = 283,445,674.37/19,490.65
  6. Step 6: Final answer
    x = 14,542.65

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Half scale
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Double scale
Find fourth proportional to 19,491.65, 26,898.48 and 10,539.15
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.