Home / 13,118.10-19,677.29-10,502.23

Finding the Fourth Proportional to 13,118.10, 19,677.29 and 10,502.23

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Solution

The fourth proportional to 13,118.10, 19,677.29 and 10,502.23 is: 15,753.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.10 : 19,677.29 = 10,502.23 : x
  2. Step 2: Convert to fraction form
    13,118.10/19,677.29 = 10,502.23/x
  3. Step 3: Cross multiply
    13,118.10x = 19,677.29 × 10,502.23
  4. Step 4: Simplify right side
    13,118.10x = 206,655,425.36
  5. Step 5: Solve for x
    x = 206,655,425.36/13,118.10
  6. Step 6: Final answer
    x = 15,753.46

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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.