Home / 23,600.89-32,569.44-12,990.56

Finding the Fourth Proportional to 23,600.89, 32,569.44 and 12,990.56

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Solution

The fourth proportional to 23,600.89, 32,569.44 and 12,990.56 is: 17,927.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,600.89 : 32,569.44 = 12,990.56 : x
  2. Step 2: Convert to fraction form
    23,600.89/32,569.44 = 12,990.56/x
  3. Step 3: Cross multiply
    23,600.89x = 32,569.44 × 12,990.56
  4. Step 4: Simplify right side
    23,600.89x = 423,095,264.49
  5. Step 5: Solve for x
    x = 423,095,264.49/23,600.89
  6. Step 6: Final answer
    x = 17,927.09

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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.