Home / 25,200.13-34,775.54-13,714.55

Finding the Fourth Proportional to 25,200.13, 34,775.54 and 13,714.55

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Solution

The fourth proportional to 25,200.13, 34,775.54 and 13,714.55 is: 18,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,200.13 : 34,775.54 = 13,714.55 : x
  2. Step 2: Convert to fraction form
    25,200.13/34,775.54 = 13,714.55/x
  3. Step 3: Cross multiply
    25,200.13x = 34,775.54 × 13,714.55
  4. Step 4: Simplify right side
    25,200.13x = 476,931,017.11
  5. Step 5: Solve for x
    x = 476,931,017.11/25,200.13
  6. Step 6: Final answer
    x = 18,925.74

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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.