Home / 36,148.68-54,221.76-12,774.24

Finding the Fourth Proportional to 36,148.68, 54,221.76 and 12,774.24

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Solution

The fourth proportional to 36,148.68, 54,221.76 and 12,774.24 is: 19,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,148.68 : 54,221.76 = 12,774.24 : x
  2. Step 2: Convert to fraction form
    36,148.68/54,221.76 = 12,774.24/x
  3. Step 3: Cross multiply
    36,148.68x = 54,221.76 × 12,774.24
  4. Step 4: Simplify right side
    36,148.68x = 692,641,775.46
  5. Step 5: Solve for x
    x = 692,641,775.46/36,148.68
  6. Step 6: Final answer
    x = 19,160.91

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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.