Home / 22,603.36-31,191.56-12,532.21

Finding the Fourth Proportional to 22,603.36, 31,191.56 and 12,532.21

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Solution

The fourth proportional to 22,603.36, 31,191.56 and 12,532.21 is: 17,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,603.36 : 31,191.56 = 12,532.21 : x
  2. Step 2: Convert to fraction form
    22,603.36/31,191.56 = 12,532.21/x
  3. Step 3: Cross multiply
    22,603.36x = 31,191.56 × 12,532.21
  4. Step 4: Simplify right side
    22,603.36x = 390,899,117.49
  5. Step 5: Solve for x
    x = 390,899,117.49/22,603.36
  6. Step 6: Final answer
    x = 17,293.85

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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.