Home / 31,533.12-43,515.12-17,193.06

Finding the Fourth Proportional to 31,533.12, 43,515.12 and 17,193.06

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Solution

The fourth proportional to 31,533.12, 43,515.12 and 17,193.06 is: 23,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,533.12 : 43,515.12 = 17,193.06 : x
  2. Step 2: Convert to fraction form
    31,533.12/43,515.12 = 17,193.06/x
  3. Step 3: Cross multiply
    31,533.12x = 43,515.12 × 17,193.06
  4. Step 4: Simplify right side
    31,533.12x = 748,158,069.07
  5. Step 5: Solve for x
    x = 748,158,069.07/31,533.12
  6. Step 6: Final answer
    x = 23,726.10

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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.