Home / 14,722.16-20,328.17-9,425.97

Finding the Fourth Proportional to 14,722.16, 20,328.17 and 9,425.97

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Solution

The fourth proportional to 14,722.16, 20,328.17 and 9,425.97 is: 13,015.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.16 : 20,328.17 = 9,425.97 : x
  2. Step 2: Convert to fraction form
    14,722.16/20,328.17 = 9,425.97/x
  3. Step 3: Cross multiply
    14,722.16x = 20,328.17 × 9,425.97
  4. Step 4: Simplify right side
    14,722.16x = 191,612,673.45
  5. Step 5: Solve for x
    x = 191,612,673.45/14,722.16
  6. Step 6: Final answer
    x = 13,015.26

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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.