Home / 14,427.78-19,909.46-8,053.96

Finding the Fourth Proportional to 14,427.78, 19,909.46 and 8,053.96

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Solution

The fourth proportional to 14,427.78, 19,909.46 and 8,053.96 is: 11,113.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.78 : 19,909.46 = 8,053.96 : x
  2. Step 2: Convert to fraction form
    14,427.78/19,909.46 = 8,053.96/x
  3. Step 3: Cross multiply
    14,427.78x = 19,909.46 × 8,053.96
  4. Step 4: Simplify right side
    14,427.78x = 160,349,994.46
  5. Step 5: Solve for x
    x = 160,349,994.46/14,427.78
  6. Step 6: Final answer
    x = 11,113.98

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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.