Home / 16,312.80-22,508.40-11,269.08

Finding the Fourth Proportional to 16,312.80, 22,508.40 and 11,269.08

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Solution

The fourth proportional to 16,312.80, 22,508.40 and 11,269.08 is: 15,549.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,312.80 : 22,508.40 = 11,269.08 : x
  2. Step 2: Convert to fraction form
    16,312.80/22,508.40 = 11,269.08/x
  3. Step 3: Cross multiply
    16,312.80x = 22,508.40 × 11,269.08
  4. Step 4: Simplify right side
    16,312.80x = 253,648,960.27
  5. Step 5: Solve for x
    x = 253,648,960.27/16,312.80
  6. Step 6: Final answer
    x = 15,549.08

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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.