Home / 29,138.06-40,209.86-17,807.52

Finding the Fourth Proportional to 29,138.06, 40,209.86 and 17,807.52

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Solution

The fourth proportional to 29,138.06, 40,209.86 and 17,807.52 is: 24,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138.06 : 40,209.86 = 17,807.52 : x
  2. Step 2: Convert to fraction form
    29,138.06/40,209.86 = 17,807.52/x
  3. Step 3: Cross multiply
    29,138.06x = 40,209.86 × 17,807.52
  4. Step 4: Simplify right side
    29,138.06x = 716,037,886.15
  5. Step 5: Solve for x
    x = 716,037,886.15/29,138.06
  6. Step 6: Final answer
    x = 24,573.97

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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.