Home / 14,049.76-21,072.28-4,688.92

Finding the Fourth Proportional to 14,049.76, 21,072.28 and 4,688.92

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Solution

The fourth proportional to 14,049.76, 21,072.28 and 4,688.92 is: 7,032.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.76 : 21,072.28 = 4,688.92 : x
  2. Step 2: Convert to fraction form
    14,049.76/21,072.28 = 4,688.92/x
  3. Step 3: Cross multiply
    14,049.76x = 21,072.28 × 4,688.92
  4. Step 4: Simplify right side
    14,049.76x = 98,806,235.14
  5. Step 5: Solve for x
    x = 98,806,235.14/14,049.76
  6. Step 6: Final answer
    x = 7,032.59

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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.