Home / 16,972.92-23,420.71-9,417.29

Finding the Fourth Proportional to 16,972.92, 23,420.71 and 9,417.29

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Solution

The fourth proportional to 16,972.92, 23,420.71 and 9,417.29 is: 12,994.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.92 : 23,420.71 = 9,417.29 : x
  2. Step 2: Convert to fraction form
    16,972.92/23,420.71 = 9,417.29/x
  3. Step 3: Cross multiply
    16,972.92x = 23,420.71 × 9,417.29
  4. Step 4: Simplify right side
    16,972.92x = 220,559,512.74
  5. Step 5: Solve for x
    x = 220,559,512.74/16,972.92
  6. Step 6: Final answer
    x = 12,994.79

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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.