Home / 13,302.28-19,960.16-8,862.98

Finding the Fourth Proportional to 13,302.28, 19,960.16 and 8,862.98

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Solution

The fourth proportional to 13,302.28, 19,960.16 and 8,862.98 is: 13,298.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.28 : 19,960.16 = 8,862.98 : x
  2. Step 2: Convert to fraction form
    13,302.28/19,960.16 = 8,862.98/x
  3. Step 3: Cross multiply
    13,302.28x = 19,960.16 × 8,862.98
  4. Step 4: Simplify right side
    13,302.28x = 176,906,498.88
  5. Step 5: Solve for x
    x = 176,906,498.88/13,302.28
  6. Step 6: Final answer
    x = 13,298.96

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1.5x scale

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.