Home / 23,600.45-32,568.95-12,990.53

Finding the Fourth Proportional to 23,600.45, 32,568.95 and 12,990.53

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Solution

The fourth proportional to 23,600.45, 32,568.95 and 12,990.53 is: 17,927.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,600.45 : 32,568.95 = 12,990.53 : x
  2. Step 2: Convert to fraction form
    23,600.45/32,568.95 = 12,990.53/x
  3. Step 3: Cross multiply
    23,600.45x = 32,568.95 × 12,990.53
  4. Step 4: Simplify right side
    23,600.45x = 423,087,857.09
  5. Step 5: Solve for x
    x = 423,087,857.09/23,600.45
  6. Step 6: Final answer
    x = 17,927.11

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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.