Home / 19,387.40-26,695.38-14,614.28

Finding the Fourth Proportional to 19,387.40, 26,695.38 and 14,614.28

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Solution

The fourth proportional to 19,387.40, 26,695.38 and 14,614.28 is: 20,123.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.40 : 26,695.38 = 14,614.28 : x
  2. Step 2: Convert to fraction form
    19,387.40/26,695.38 = 14,614.28/x
  3. Step 3: Cross multiply
    19,387.40x = 26,695.38 × 14,614.28
  4. Step 4: Simplify right side
    19,387.40x = 390,133,758.03
  5. Step 5: Solve for x
    x = 390,133,758.03/19,387.40
  6. Step 6: Final answer
    x = 20,123.06

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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.