Home / 20,256.59-27,988.35-14,580.11

Finding the Fourth Proportional to 20,256.59, 27,988.35 and 14,580.11

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Solution

The fourth proportional to 20,256.59, 27,988.35 and 14,580.11 is: 20,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256.59 : 27,988.35 = 14,580.11 : x
  2. Step 2: Convert to fraction form
    20,256.59/27,988.35 = 14,580.11/x
  3. Step 3: Cross multiply
    20,256.59x = 27,988.35 × 14,580.11
  4. Step 4: Simplify right side
    20,256.59x = 408,073,221.72
  5. Step 5: Solve for x
    x = 408,073,221.72/20,256.59
  6. Step 6: Final answer
    x = 20,145.21

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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.