Home / 15,178.86-22,782.51-9,346.86

Finding the Fourth Proportional to 15,178.86, 22,782.51 and 9,346.86

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Solution

The fourth proportional to 15,178.86, 22,782.51 and 9,346.86 is: 14,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.86 : 22,782.51 = 9,346.86 : x
  2. Step 2: Convert to fraction form
    15,178.86/22,782.51 = 9,346.86/x
  3. Step 3: Cross multiply
    15,178.86x = 22,782.51 × 9,346.86
  4. Step 4: Simplify right side
    15,178.86x = 212,944,931.42
  5. Step 5: Solve for x
    x = 212,944,931.42/15,178.86
  6. Step 6: Final answer
    x = 14,029.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.