Home / 16,470.08-22,711.20-13,106.24

Finding the Fourth Proportional to 16,470.08, 22,711.20 and 13,106.24

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Solution

The fourth proportional to 16,470.08, 22,711.20 and 13,106.24 is: 18,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,470.08 : 22,711.20 = 13,106.24 : x
  2. Step 2: Convert to fraction form
    16,470.08/22,711.20 = 13,106.24/x
  3. Step 3: Cross multiply
    16,470.08x = 22,711.20 × 13,106.24
  4. Step 4: Simplify right side
    16,470.08x = 297,658,437.89
  5. Step 5: Solve for x
    x = 297,658,437.89/16,470.08
  6. Step 6: Final answer
    x = 18,072.68

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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.