Home / 23,152.28-31,950.16-13,080.74

Finding the Fourth Proportional to 23,152.28, 31,950.16 and 13,080.74

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Solution

The fourth proportional to 23,152.28, 31,950.16 and 13,080.74 is: 18,051.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,152.28 : 31,950.16 = 13,080.74 : x
  2. Step 2: Convert to fraction form
    23,152.28/31,950.16 = 13,080.74/x
  3. Step 3: Cross multiply
    23,152.28x = 31,950.16 × 13,080.74
  4. Step 4: Simplify right side
    23,152.28x = 417,931,543.47
  5. Step 5: Solve for x
    x = 417,931,543.47/23,152.28
  6. Step 6: Final answer
    x = 18,051.42

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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.