Home / 16,458.89-22,713.87-9,384.95

Finding the Fourth Proportional to 16,458.89, 22,713.87 and 9,384.95

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Solution

The fourth proportional to 16,458.89, 22,713.87 and 9,384.95 is: 12,951.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,458.89 : 22,713.87 = 9,384.95 : x
  2. Step 2: Convert to fraction form
    16,458.89/22,713.87 = 9,384.95/x
  3. Step 3: Cross multiply
    16,458.89x = 22,713.87 × 9,384.95
  4. Step 4: Simplify right side
    16,458.89x = 213,168,420.69
  5. Step 5: Solve for x
    x = 213,168,420.69/16,458.89
  6. Step 6: Final answer
    x = 12,951.57

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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.