Home / 23,470.11-32,389.56-12,859.74

Finding the Fourth Proportional to 23,470.11, 32,389.56 and 12,859.74

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Solution

The fourth proportional to 23,470.11, 32,389.56 and 12,859.74 is: 17,746.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,470.11 : 32,389.56 = 12,859.74 : x
  2. Step 2: Convert to fraction form
    23,470.11/32,389.56 = 12,859.74/x
  3. Step 3: Cross multiply
    23,470.11x = 32,389.56 × 12,859.74
  4. Step 4: Simplify right side
    23,470.11x = 416,521,320.31
  5. Step 5: Solve for x
    x = 416,521,320.31/23,470.11
  6. Step 6: Final answer
    x = 17,746.88

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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.