Home / 19,490.18-26,897.37-11,106.50

Finding the Fourth Proportional to 19,490.18, 26,897.37 and 11,106.50

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Solution

The fourth proportional to 19,490.18, 26,897.37 and 11,106.50 is: 15,327.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.18 : 26,897.37 = 11,106.50 : x
  2. Step 2: Convert to fraction form
    19,490.18/26,897.37 = 11,106.50/x
  3. Step 3: Cross multiply
    19,490.18x = 26,897.37 × 11,106.50
  4. Step 4: Simplify right side
    19,490.18x = 298,735,639.91
  5. Step 5: Solve for x
    x = 298,735,639.91/19,490.18
  6. Step 6: Final answer
    x = 15,327.50

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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.