Home / 25,709.28-35,480.64-16,146.60

Finding the Fourth Proportional to 25,709.28, 35,480.64 and 16,146.60

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Solution

The fourth proportional to 25,709.28, 35,480.64 and 16,146.60 is: 22,283.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,709.28 : 35,480.64 = 16,146.60 : x
  2. Step 2: Convert to fraction form
    25,709.28/35,480.64 = 16,146.60/x
  3. Step 3: Cross multiply
    25,709.28x = 35,480.64 × 16,146.60
  4. Step 4: Simplify right side
    25,709.28x = 572,891,701.82
  5. Step 5: Solve for x
    x = 572,891,701.82/25,709.28
  6. Step 6: Final answer
    x = 22,283.46

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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.