Home / 55,648.08-83,470.91-13,528.39

Finding the Fourth Proportional to 55,648.08, 83,470.91 and 13,528.39

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Solution

The fourth proportional to 55,648.08, 83,470.91 and 13,528.39 is: 20,292.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,648.08 : 83,470.91 = 13,528.39 : x
  2. Step 2: Convert to fraction form
    55,648.08/83,470.91 = 13,528.39/x
  3. Step 3: Cross multiply
    55,648.08x = 83,470.91 × 13,528.39
  4. Step 4: Simplify right side
    55,648.08x = 1,129,226,539.14
  5. Step 5: Solve for x
    x = 1,129,226,539.14/55,648.08
  6. Step 6: Final answer
    x = 20,292.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.