Home / 17,487.12-24,113.76-13,003.68

Finding the Fourth Proportional to 17,487.12, 24,113.76 and 13,003.68

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Solution

The fourth proportional to 17,487.12, 24,113.76 and 13,003.68 is: 17,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.12 : 24,113.76 = 13,003.68 : x
  2. Step 2: Convert to fraction form
    17,487.12/24,113.76 = 13,003.68/x
  3. Step 3: Cross multiply
    17,487.12x = 24,113.76 × 13,003.68
  4. Step 4: Simplify right side
    17,487.12x = 313,567,618.64
  5. Step 5: Solve for x
    x = 313,567,618.64/17,487.12
  6. Step 6: Final answer
    x = 17,931.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.