Home / 13,502.19-18,633.06-7,534.92

Finding the Fourth Proportional to 13,502.19, 18,633.06 and 7,534.92

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Solution

The fourth proportional to 13,502.19, 18,633.06 and 7,534.92 is: 10,398.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.19 : 18,633.06 = 7,534.92 : x
  2. Step 2: Convert to fraction form
    13,502.19/18,633.06 = 7,534.92/x
  3. Step 3: Cross multiply
    13,502.19x = 18,633.06 × 7,534.92
  4. Step 4: Simplify right side
    13,502.19x = 140,398,616.46
  5. Step 5: Solve for x
    x = 140,398,616.46/13,502.19
  6. Step 6: Final answer
    x = 10,398.21

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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.