Home / 14,362.46-19,818.90-7,988.76

Finding the Fourth Proportional to 14,362.46, 19,818.90 and 7,988.76

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Solution

The fourth proportional to 14,362.46, 19,818.90 and 7,988.76 is: 11,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,362.46 : 19,818.90 = 7,988.76 : x
  2. Step 2: Convert to fraction form
    14,362.46/19,818.90 = 7,988.76/x
  3. Step 3: Cross multiply
    14,362.46x = 19,818.90 × 7,988.76
  4. Step 4: Simplify right side
    14,362.46x = 158,328,435.56
  5. Step 5: Solve for x
    x = 158,328,435.56/14,362.46
  6. Step 6: Final answer
    x = 11,023.77

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Double scale
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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.