Home / 25,471.88-38,214.42-9,677.20

Finding the Fourth Proportional to 25,471.88, 38,214.42 and 9,677.20

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Solution

The fourth proportional to 25,471.88, 38,214.42 and 9,677.20 is: 14,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,471.88 : 38,214.42 = 9,677.20 : x
  2. Step 2: Convert to fraction form
    25,471.88/38,214.42 = 9,677.20/x
  3. Step 3: Cross multiply
    25,471.88x = 38,214.42 × 9,677.20
  4. Step 4: Simplify right side
    25,471.88x = 369,808,585.22
  5. Step 5: Solve for x
    x = 369,808,585.22/25,471.88
  6. Step 6: Final answer
    x = 14,518.31

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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.