Home / 22,746.72-31,390.05-12,674.95

Finding the Fourth Proportional to 22,746.72, 31,390.05 and 12,674.95

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Solution

The fourth proportional to 22,746.72, 31,390.05 and 12,674.95 is: 17,491.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,746.72 : 31,390.05 = 12,674.95 : x
  2. Step 2: Convert to fraction form
    22,746.72/31,390.05 = 12,674.95/x
  3. Step 3: Cross multiply
    22,746.72x = 31,390.05 × 12,674.95
  4. Step 4: Simplify right side
    22,746.72x = 397,867,314.25
  5. Step 5: Solve for x
    x = 397,867,314.25/22,746.72
  6. Step 6: Final answer
    x = 17,491.19

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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.