Home / 19,314.72-28,909.44-10,417.68

Finding the Fourth Proportional to 19,314.72, 28,909.44 and 10,417.68

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Solution

The fourth proportional to 19,314.72, 28,909.44 and 10,417.68 is: 15,592.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314.72 : 28,909.44 = 10,417.68 : x
  2. Step 2: Convert to fraction form
    19,314.72/28,909.44 = 10,417.68/x
  3. Step 3: Cross multiply
    19,314.72x = 28,909.44 × 10,417.68
  4. Step 4: Simplify right side
    19,314.72x = 301,169,294.90
  5. Step 5: Solve for x
    x = 301,169,294.90/19,314.72
  6. Step 6: Final answer
    x = 15,592.73

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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.