Home / 25,178.64-34,742.16-14,567.64

Finding the Fourth Proportional to 25,178.64, 34,742.16 and 14,567.64

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Solution

The fourth proportional to 25,178.64, 34,742.16 and 14,567.64 is: 20,100.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,178.64 : 34,742.16 = 14,567.64 : x
  2. Step 2: Convert to fraction form
    25,178.64/34,742.16 = 14,567.64/x
  3. Step 3: Cross multiply
    25,178.64x = 34,742.16 × 14,567.64
  4. Step 4: Simplify right side
    25,178.64x = 506,111,279.70
  5. Step 5: Solve for x
    x = 506,111,279.70/25,178.64
  6. Step 6: Final answer
    x = 20,100.82

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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.