Home / 24,390.18-33,655.23-15,421.86

Finding the Fourth Proportional to 24,390.18, 33,655.23 and 15,421.86

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Solution

The fourth proportional to 24,390.18, 33,655.23 and 15,421.86 is: 21,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,390.18 : 33,655.23 = 15,421.86 : x
  2. Step 2: Convert to fraction form
    24,390.18/33,655.23 = 15,421.86/x
  3. Step 3: Cross multiply
    24,390.18x = 33,655.23 × 15,421.86
  4. Step 4: Simplify right side
    24,390.18x = 519,026,245.33
  5. Step 5: Solve for x
    x = 519,026,245.33/24,390.18
  6. Step 6: Final answer
    x = 21,280.13

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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.