Home / 25,447.36-35,101.20-18,384.16

Finding the Fourth Proportional to 25,447.36, 35,101.20 and 18,384.16

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Solution

The fourth proportional to 25,447.36, 35,101.20 and 18,384.16 is: 25,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,447.36 : 35,101.20 = 18,384.16 : x
  2. Step 2: Convert to fraction form
    25,447.36/35,101.20 = 18,384.16/x
  3. Step 3: Cross multiply
    25,447.36x = 35,101.20 × 18,384.16
  4. Step 4: Simplify right side
    25,447.36x = 645,306,076.99
  5. Step 5: Solve for x
    x = 645,306,076.99/25,447.36
  6. Step 6: Final answer
    x = 25,358.47

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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.