Home / 25,473.02-35,143.12-18,774.66

Finding the Fourth Proportional to 25,473.02, 35,143.12 and 18,774.66

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Solution

The fourth proportional to 25,473.02, 35,143.12 and 18,774.66 is: 25,901.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,473.02 : 35,143.12 = 18,774.66 : x
  2. Step 2: Convert to fraction form
    25,473.02/35,143.12 = 18,774.66/x
  3. Step 3: Cross multiply
    25,473.02x = 35,143.12 × 18,774.66
  4. Step 4: Simplify right side
    25,473.02x = 659,800,035.47
  5. Step 5: Solve for x
    x = 659,800,035.47/25,473.02
  6. Step 6: Final answer
    x = 25,901.92

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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.