Home / 14,655.78-22,005.50-14,145.48

Finding the Fourth Proportional to 14,655.78, 22,005.50 and 14,145.48

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Solution

The fourth proportional to 14,655.78, 22,005.50 and 14,145.48 is: 21,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.78 : 22,005.50 = 14,145.48 : x
  2. Step 2: Convert to fraction form
    14,655.78/22,005.50 = 14,145.48/x
  3. Step 3: Cross multiply
    14,655.78x = 22,005.50 × 14,145.48
  4. Step 4: Simplify right side
    14,655.78x = 311,278,289.41
  5. Step 5: Solve for x
    x = 311,278,289.41/14,655.78
  6. Step 6: Final answer
    x = 21,239.29

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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.