Home / 22,402.67-30,916.35-12,331.35

Finding the Fourth Proportional to 22,402.67, 30,916.35 and 12,331.35

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Solution

The fourth proportional to 22,402.67, 30,916.35 and 12,331.35 is: 17,017.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,402.67 : 30,916.35 = 12,331.35 : x
  2. Step 2: Convert to fraction form
    22,402.67/30,916.35 = 12,331.35/x
  3. Step 3: Cross multiply
    22,402.67x = 30,916.35 × 12,331.35
  4. Step 4: Simplify right side
    22,402.67x = 381,240,332.57
  5. Step 5: Solve for x
    x = 381,240,332.57/22,402.67
  6. Step 6: Final answer
    x = 17,017.63

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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.