Home / 19,655.27-27,123.35-10,702.74

Finding the Fourth Proportional to 19,655.27, 27,123.35 and 10,702.74

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Solution

The fourth proportional to 19,655.27, 27,123.35 and 10,702.74 is: 14,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.27 : 27,123.35 = 10,702.74 : x
  2. Step 2: Convert to fraction form
    19,655.27/27,123.35 = 10,702.74/x
  3. Step 3: Cross multiply
    19,655.27x = 27,123.35 × 10,702.74
  4. Step 4: Simplify right side
    19,655.27x = 290,294,109.47
  5. Step 5: Solve for x
    x = 290,294,109.47/19,655.27
  6. Step 6: Final answer
    x = 14,769.28

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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.