Home / 15,633.12-23,453.07-8,972.70

Finding the Fourth Proportional to 15,633.12, 23,453.07 and 8,972.70

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Solution

The fourth proportional to 15,633.12, 23,453.07 and 8,972.70 is: 13,461.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.12 : 23,453.07 = 8,972.70 : x
  2. Step 2: Convert to fraction form
    15,633.12/23,453.07 = 8,972.70/x
  3. Step 3: Cross multiply
    15,633.12x = 23,453.07 × 8,972.70
  4. Step 4: Simplify right side
    15,633.12x = 210,437,361.19
  5. Step 5: Solve for x
    x = 210,437,361.19/15,633.12
  6. Step 6: Final answer
    x = 13,461.00

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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.