Home / 23,489.96-32,417.63-15,518.21

Finding the Fourth Proportional to 23,489.96, 32,417.63 and 15,518.21

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Solution

The fourth proportional to 23,489.96, 32,417.63 and 15,518.21 is: 21,416.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,489.96 : 32,417.63 = 15,518.21 : x
  2. Step 2: Convert to fraction form
    23,489.96/32,417.63 = 15,518.21/x
  3. Step 3: Cross multiply
    23,489.96x = 32,417.63 × 15,518.21
  4. Step 4: Simplify right side
    23,489.96x = 503,063,350.36
  5. Step 5: Solve for x
    x = 503,063,350.36/23,489.96
  6. Step 6: Final answer
    x = 21,416.11

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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.