Home / 15,601.16-21,529.60-8,887.41

Finding the Fourth Proportional to 15,601.16, 21,529.60 and 8,887.41

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Solution

The fourth proportional to 15,601.16, 21,529.60 and 8,887.41 is: 12,264.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.16 : 21,529.60 = 8,887.41 : x
  2. Step 2: Convert to fraction form
    15,601.16/21,529.60 = 8,887.41/x
  3. Step 3: Cross multiply
    15,601.16x = 21,529.60 × 8,887.41
  4. Step 4: Simplify right side
    15,601.16x = 191,342,382.34
  5. Step 5: Solve for x
    x = 191,342,382.34/15,601.16
  6. Step 6: Final answer
    x = 12,264.63

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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.