Home / 19,655.09-27,123.67-10,702.43

Finding the Fourth Proportional to 19,655.09, 27,123.67 and 10,702.43

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Solution

The fourth proportional to 19,655.09, 27,123.67 and 10,702.43 is: 14,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.09 : 27,123.67 = 10,702.43 : x
  2. Step 2: Convert to fraction form
    19,655.09/27,123.67 = 10,702.43/x
  3. Step 3: Cross multiply
    19,655.09x = 27,123.67 × 10,702.43
  4. Step 4: Simplify right side
    19,655.09x = 290,289,158.99
  5. Step 5: Solve for x
    x = 290,289,158.99/19,655.09
  6. Step 6: Final answer
    x = 14,769.16

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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.