Home / 25,465.02-38,158.47-10,665.84

Finding the Fourth Proportional to 25,465.02, 38,158.47 and 10,665.84

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Solution

The fourth proportional to 25,465.02, 38,158.47 and 10,665.84 is: 15,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,465.02 : 38,158.47 = 10,665.84 : x
  2. Step 2: Convert to fraction form
    25,465.02/38,158.47 = 10,665.84/x
  3. Step 3: Cross multiply
    25,465.02x = 38,158.47 × 10,665.84
  4. Step 4: Simplify right side
    25,465.02x = 406,992,135.66
  5. Step 5: Solve for x
    x = 406,992,135.66/25,465.02
  6. Step 6: Final answer
    x = 15,982.40

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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.