Home / 23,885.61-32,976.90-15,390.74

Finding the Fourth Proportional to 23,885.61, 32,976.90 and 15,390.74

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Solution

The fourth proportional to 23,885.61, 32,976.90 and 15,390.74 is: 21,248.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,885.61 : 32,976.90 = 15,390.74 : x
  2. Step 2: Convert to fraction form
    23,885.61/32,976.90 = 15,390.74/x
  3. Step 3: Cross multiply
    23,885.61x = 32,976.90 × 15,390.74
  4. Step 4: Simplify right side
    23,885.61x = 507,538,729.02
  5. Step 5: Solve for x
    x = 507,538,729.02/23,885.61
  6. Step 6: Final answer
    x = 21,248.72

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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.