Home / 23,307.12-32,164.06-13,235.78

Finding the Fourth Proportional to 23,307.12, 32,164.06 and 13,235.78

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Solution

The fourth proportional to 23,307.12, 32,164.06 and 13,235.78 is: 18,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,307.12 : 32,164.06 = 13,235.78 : x
  2. Step 2: Convert to fraction form
    23,307.12/32,164.06 = 13,235.78/x
  3. Step 3: Cross multiply
    23,307.12x = 32,164.06 × 13,235.78
  4. Step 4: Simplify right side
    23,307.12x = 425,716,422.07
  5. Step 5: Solve for x
    x = 425,716,422.07/23,307.12
  6. Step 6: Final answer
    x = 18,265.51

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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.