Home / 21,535.38-32,275.10-10,426.64

Finding the Fourth Proportional to 21,535.38, 32,275.10 and 10,426.64

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Solution

The fourth proportional to 21,535.38, 32,275.10 and 10,426.64 is: 15,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,535.38 : 32,275.10 = 10,426.64 : x
  2. Step 2: Convert to fraction form
    21,535.38/32,275.10 = 10,426.64/x
  3. Step 3: Cross multiply
    21,535.38x = 32,275.10 × 10,426.64
  4. Step 4: Simplify right side
    21,535.38x = 336,520,848.66
  5. Step 5: Solve for x
    x = 336,520,848.66/21,535.38
  6. Step 6: Final answer
    x = 15,626.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.