Home / 20,733.52-28,612.55-11,302.08

Finding the Fourth Proportional to 20,733.52, 28,612.55 and 11,302.08

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Solution

The fourth proportional to 20,733.52, 28,612.55 and 11,302.08 is: 15,597.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.52 : 28,612.55 = 11,302.08 : x
  2. Step 2: Convert to fraction form
    20,733.52/28,612.55 = 11,302.08/x
  3. Step 3: Cross multiply
    20,733.52x = 28,612.55 × 11,302.08
  4. Step 4: Simplify right side
    20,733.52x = 323,381,329.10
  5. Step 5: Solve for x
    x = 323,381,329.10/20,733.52
  6. Step 6: Final answer
    x = 15,597.03

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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.