Home / 38,475.63-57,688.46-15,980.14

Finding the Fourth Proportional to 38,475.63, 57,688.46 and 15,980.14

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Solution

The fourth proportional to 38,475.63, 57,688.46 and 15,980.14 is: 23,959.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.63 : 57,688.46 = 15,980.14 : x
  2. Step 2: Convert to fraction form
    38,475.63/57,688.46 = 15,980.14/x
  3. Step 3: Cross multiply
    38,475.63x = 57,688.46 × 15,980.14
  4. Step 4: Simplify right side
    38,475.63x = 921,869,484.71
  5. Step 5: Solve for x
    x = 921,869,484.71/38,475.63
  6. Step 6: Final answer
    x = 23,959.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.