Home / 18,587.04-25,679.52-14,125.92

Finding the Fourth Proportional to 18,587.04, 25,679.52 and 14,125.92

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Solution

The fourth proportional to 18,587.04, 25,679.52 and 14,125.92 is: 19,516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.04 : 25,679.52 = 14,125.92 : x
  2. Step 2: Convert to fraction form
    18,587.04/25,679.52 = 14,125.92/x
  3. Step 3: Cross multiply
    18,587.04x = 25,679.52 × 14,125.92
  4. Step 4: Simplify right side
    18,587.04x = 362,746,845.16
  5. Step 5: Solve for x
    x = 362,746,845.16/18,587.04
  6. Step 6: Final answer
    x = 19,516.12

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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.