Home / 23,080.74-31,851.44-12,470.40

Finding the Fourth Proportional to 23,080.74, 31,851.44 and 12,470.40

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Solution

The fourth proportional to 23,080.74, 31,851.44 and 12,470.40 is: 17,209.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,080.74 : 31,851.44 = 12,470.40 : x
  2. Step 2: Convert to fraction form
    23,080.74/31,851.44 = 12,470.40/x
  3. Step 3: Cross multiply
    23,080.74x = 31,851.44 × 12,470.40
  4. Step 4: Simplify right side
    23,080.74x = 397,200,135.02
  5. Step 5: Solve for x
    x = 397,200,135.02/23,080.74
  6. Step 6: Final answer
    x = 17,209.16

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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.