Home / 20,592.66-28,417.80-11,161.24

Finding the Fourth Proportional to 20,592.66, 28,417.80 and 11,161.24

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Solution

The fourth proportional to 20,592.66, 28,417.80 and 11,161.24 is: 15,402.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592.66 : 28,417.80 = 11,161.24 : x
  2. Step 2: Convert to fraction form
    20,592.66/28,417.80 = 11,161.24/x
  3. Step 3: Cross multiply
    20,592.66x = 28,417.80 × 11,161.24
  4. Step 4: Simplify right side
    20,592.66x = 317,177,886.07
  5. Step 5: Solve for x
    x = 317,177,886.07/20,592.66
  6. Step 6: Final answer
    x = 15,402.47

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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.