Home / 23,125.56-31,927.02-15,181.68

Finding the Fourth Proportional to 23,125.56, 31,927.02 and 15,181.68

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Solution

The fourth proportional to 23,125.56, 31,927.02 and 15,181.68 is: 20,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.56 : 31,927.02 = 15,181.68 : x
  2. Step 2: Convert to fraction form
    23,125.56/31,927.02 = 15,181.68/x
  3. Step 3: Cross multiply
    23,125.56x = 31,927.02 × 15,181.68
  4. Step 4: Simplify right side
    23,125.56x = 484,705,800.99
  5. Step 5: Solve for x
    x = 484,705,800.99/23,125.56
  6. Step 6: Final answer
    x = 20,959.74

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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.