Home / 23,601.60-32,570.22-12,991.16

Finding the Fourth Proportional to 23,601.60, 32,570.22 and 12,991.16

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Solution

The fourth proportional to 23,601.60, 32,570.22 and 12,991.16 is: 17,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,601.60 : 32,570.22 = 12,991.16 : x
  2. Step 2: Convert to fraction form
    23,601.60/32,570.22 = 12,991.16/x
  3. Step 3: Cross multiply
    23,601.60x = 32,570.22 × 12,991.16
  4. Step 4: Simplify right side
    23,601.60x = 423,124,711.45
  5. Step 5: Solve for x
    x = 423,124,711.45/23,601.60
  6. Step 6: Final answer
    x = 17,927.80

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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.