Home / 55,535.80-83,302.88-13,415.52

Finding the Fourth Proportional to 55,535.80, 83,302.88 and 13,415.52

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Solution

The fourth proportional to 55,535.80, 83,302.88 and 13,415.52 is: 20,123.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,535.80 : 83,302.88 = 13,415.52 : x
  2. Step 2: Convert to fraction form
    55,535.80/83,302.88 = 13,415.52/x
  3. Step 3: Cross multiply
    55,535.80x = 83,302.88 × 13,415.52
  4. Step 4: Simplify right side
    55,535.80x = 1,117,551,452.70
  5. Step 5: Solve for x
    x = 1,117,551,452.70/55,535.80
  6. Step 6: Final answer
    x = 20,123.08

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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.