Home / 25,407.92-38,114.40-10,621.46

Finding the Fourth Proportional to 25,407.92, 38,114.40 and 10,621.46

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Solution

The fourth proportional to 25,407.92, 38,114.40 and 10,621.46 is: 15,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,407.92 : 38,114.40 = 10,621.46 : x
  2. Step 2: Convert to fraction form
    25,407.92/38,114.40 = 10,621.46/x
  3. Step 3: Cross multiply
    25,407.92x = 38,114.40 × 10,621.46
  4. Step 4: Simplify right side
    25,407.92x = 404,830,575.02
  5. Step 5: Solve for x
    x = 404,830,575.02/25,407.92
  6. Step 6: Final answer
    x = 15,933.24

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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.