Home / 29,251.86-40,367.57-15,823.11

Finding the Fourth Proportional to 29,251.86, 40,367.57 and 15,823.11

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Solution

The fourth proportional to 29,251.86, 40,367.57 and 15,823.11 is: 21,835.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,251.86 : 40,367.57 = 15,823.11 : x
  2. Step 2: Convert to fraction form
    29,251.86/40,367.57 = 15,823.11/x
  3. Step 3: Cross multiply
    29,251.86x = 40,367.57 × 15,823.11
  4. Step 4: Simplify right side
    29,251.86x = 638,740,421.43
  5. Step 5: Solve for x
    x = 638,740,421.43/29,251.86
  6. Step 6: Final answer
    x = 21,835.89

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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.