Home / 38,298.02-57,448.54-13,340.60

Finding the Fourth Proportional to 38,298.02, 57,448.54 and 13,340.60

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Solution

The fourth proportional to 38,298.02, 57,448.54 and 13,340.60 is: 20,011.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298.02 : 57,448.54 = 13,340.60 : x
  2. Step 2: Convert to fraction form
    38,298.02/57,448.54 = 13,340.60/x
  3. Step 3: Cross multiply
    38,298.02x = 57,448.54 × 13,340.60
  4. Step 4: Simplify right side
    38,298.02x = 766,397,937.59
  5. Step 5: Solve for x
    x = 766,397,937.59/38,298.02
  6. Step 6: Final answer
    x = 20,011.43

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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.