Home / 23,042.08-31,768.96-15,071.68

Finding the Fourth Proportional to 23,042.08, 31,768.96 and 15,071.68

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Solution

The fourth proportional to 23,042.08, 31,768.96 and 15,071.68 is: 20,779.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,042.08 : 31,768.96 = 15,071.68 : x
  2. Step 2: Convert to fraction form
    23,042.08/31,768.96 = 15,071.68/x
  3. Step 3: Cross multiply
    23,042.08x = 31,768.96 × 15,071.68
  4. Step 4: Simplify right side
    23,042.08x = 478,811,599.05
  5. Step 5: Solve for x
    x = 478,811,599.05/23,042.08
  6. Step 6: Final answer
    x = 20,779.88

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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.