Home / 26,603.38-36,719.74-15,711.06

Finding the Fourth Proportional to 26,603.38, 36,719.74 and 15,711.06

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Solution

The fourth proportional to 26,603.38, 36,719.74 and 15,711.06 is: 21,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,603.38 : 36,719.74 = 15,711.06 : x
  2. Step 2: Convert to fraction form
    26,603.38/36,719.74 = 15,711.06/x
  3. Step 3: Cross multiply
    26,603.38x = 36,719.74 × 15,711.06
  4. Step 4: Simplify right side
    26,603.38x = 576,906,038.32
  5. Step 5: Solve for x
    x = 576,906,038.32/26,603.38
  6. Step 6: Final answer
    x = 21,685.44

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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.