Home / 14,302.12-21,437.28-5,529.76

Finding the Fourth Proportional to 14,302.12, 21,437.28 and 5,529.76

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Solution

The fourth proportional to 14,302.12, 21,437.28 and 5,529.76 is: 8,288.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302.12 : 21,437.28 = 5,529.76 : x
  2. Step 2: Convert to fraction form
    14,302.12/21,437.28 = 5,529.76/x
  3. Step 3: Cross multiply
    14,302.12x = 21,437.28 × 5,529.76
  4. Step 4: Simplify right side
    14,302.12x = 118,543,013.45
  5. Step 5: Solve for x
    x = 118,543,013.45/14,302.12
  6. Step 6: Final answer
    x = 8,288.49

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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.