Home / 23,037.17-31,779.63-13,470.80

Finding the Fourth Proportional to 23,037.17, 31,779.63 and 13,470.80

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Solution

The fourth proportional to 23,037.17, 31,779.63 and 13,470.80 is: 18,582.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,037.17 : 31,779.63 = 13,470.80 : x
  2. Step 2: Convert to fraction form
    23,037.17/31,779.63 = 13,470.80/x
  3. Step 3: Cross multiply
    23,037.17x = 31,779.63 × 13,470.80
  4. Step 4: Simplify right side
    23,037.17x = 428,096,880.91
  5. Step 5: Solve for x
    x = 428,096,880.91/23,037.17
  6. Step 6: Final answer
    x = 18,582.88

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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.