Home / 35,908.20-53,862.30-12,531.60

Finding the Fourth Proportional to 35,908.20, 53,862.30 and 12,531.60

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Solution

The fourth proportional to 35,908.20, 53,862.30 and 12,531.60 is: 18,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,908.20 : 53,862.30 = 12,531.60 : x
  2. Step 2: Convert to fraction form
    35,908.20/53,862.30 = 12,531.60/x
  3. Step 3: Cross multiply
    35,908.20x = 53,862.30 × 12,531.60
  4. Step 4: Simplify right side
    35,908.20x = 674,980,798.68
  5. Step 5: Solve for x
    x = 674,980,798.68/35,908.20
  6. Step 6: Final answer
    x = 18,797.40

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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.