Home / 13,703.52-20,572.88-7,134.24

Finding the Fourth Proportional to 13,703.52, 20,572.88 and 7,134.24

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Solution

The fourth proportional to 13,703.52, 20,572.88 and 7,134.24 is: 10,710.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.52 : 20,572.88 = 7,134.24 : x
  2. Step 2: Convert to fraction form
    13,703.52/20,572.88 = 7,134.24/x
  3. Step 3: Cross multiply
    13,703.52x = 20,572.88 × 7,134.24
  4. Step 4: Simplify right side
    13,703.52x = 146,771,863.41
  5. Step 5: Solve for x
    x = 146,771,863.41/13,703.52
  6. Step 6: Final answer
    x = 10,710.52

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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.