Home / 13,053.18-19,555.12-10,117.11

Finding the Fourth Proportional to 13,053.18, 19,555.12 and 10,117.11

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Solution

The fourth proportional to 13,053.18, 19,555.12 and 10,117.11 is: 15,156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053.18 : 19,555.12 = 10,117.11 : x
  2. Step 2: Convert to fraction form
    13,053.18/19,555.12 = 10,117.11/x
  3. Step 3: Cross multiply
    13,053.18x = 19,555.12 × 10,117.11
  4. Step 4: Simplify right side
    13,053.18x = 197,841,329.17
  5. Step 5: Solve for x
    x = 197,841,329.17/13,053.18
  6. Step 6: Final answer
    x = 15,156.56

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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.