Home / 14,440.42-19,927.76-8,152.78

Finding the Fourth Proportional to 14,440.42, 19,927.76 and 8,152.78

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Solution

The fourth proportional to 14,440.42, 19,927.76 and 8,152.78 is: 11,250.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.42 : 19,927.76 = 8,152.78 : x
  2. Step 2: Convert to fraction form
    14,440.42/19,927.76 = 8,152.78/x
  3. Step 3: Cross multiply
    14,440.42x = 19,927.76 × 8,152.78
  4. Step 4: Simplify right side
    14,440.42x = 162,466,643.17
  5. Step 5: Solve for x
    x = 162,466,643.17/14,440.42
  6. Step 6: Final answer
    x = 11,250.83

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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.