Home / 14,638.16-21,960.28-5,873.76

Finding the Fourth Proportional to 14,638.16, 21,960.28 and 5,873.76

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Solution

The fourth proportional to 14,638.16, 21,960.28 and 5,873.76 is: 8,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.16 : 21,960.28 = 5,873.76 : x
  2. Step 2: Convert to fraction form
    14,638.16/21,960.28 = 5,873.76/x
  3. Step 3: Cross multiply
    14,638.16x = 21,960.28 × 5,873.76
  4. Step 4: Simplify right side
    14,638.16x = 128,989,343.31
  5. Step 5: Solve for x
    x = 128,989,343.31/14,638.16
  6. Step 6: Final answer
    x = 8,811.86

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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.