Home / 17,428.29-26,127.72-7,560.13

Finding the Fourth Proportional to 17,428.29, 26,127.72 and 7,560.13

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Solution

The fourth proportional to 17,428.29, 26,127.72 and 7,560.13 is: 11,333.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.29 : 26,127.72 = 7,560.13 : x
  2. Step 2: Convert to fraction form
    17,428.29/26,127.72 = 7,560.13/x
  3. Step 3: Cross multiply
    17,428.29x = 26,127.72 × 7,560.13
  4. Step 4: Simplify right side
    17,428.29x = 197,528,959.80
  5. Step 5: Solve for x
    x = 197,528,959.80/17,428.29
  6. Step 6: Final answer
    x = 11,333.81

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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.