Home / 25,387.02-38,055.42-12,036.60

Finding the Fourth Proportional to 25,387.02, 38,055.42 and 12,036.60

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Solution

The fourth proportional to 25,387.02, 38,055.42 and 12,036.60 is: 18,042.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,387.02 : 38,055.42 = 12,036.60 : x
  2. Step 2: Convert to fraction form
    25,387.02/38,055.42 = 12,036.60/x
  3. Step 3: Cross multiply
    25,387.02x = 38,055.42 × 12,036.60
  4. Step 4: Simplify right side
    25,387.02x = 458,057,868.37
  5. Step 5: Solve for x
    x = 458,057,868.37/25,387.02
  6. Step 6: Final answer
    x = 18,042.99

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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.