Home / 25,411.83-38,117.21-13,569.63

Finding the Fourth Proportional to 25,411.83, 38,117.21 and 13,569.63

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Solution

The fourth proportional to 25,411.83, 38,117.21 and 13,569.63 is: 20,354.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,411.83 : 38,117.21 = 13,569.63 : x
  2. Step 2: Convert to fraction form
    25,411.83/38,117.21 = 13,569.63/x
  3. Step 3: Cross multiply
    25,411.83x = 38,117.21 × 13,569.63
  4. Step 4: Simplify right side
    25,411.83x = 517,236,368.48
  5. Step 5: Solve for x
    x = 517,236,368.48/25,411.83
  6. Step 6: Final answer
    x = 20,354.16

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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.