Home / 22,407.72-30,889.50-14,340.48

Finding the Fourth Proportional to 22,407.72, 30,889.50 and 14,340.48

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Solution

The fourth proportional to 22,407.72, 30,889.50 and 14,340.48 is: 19,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,407.72 : 30,889.50 = 14,340.48 : x
  2. Step 2: Convert to fraction form
    22,407.72/30,889.50 = 14,340.48/x
  3. Step 3: Cross multiply
    22,407.72x = 30,889.50 × 14,340.48
  4. Step 4: Simplify right side
    22,407.72x = 442,970,256.96
  5. Step 5: Solve for x
    x = 442,970,256.96/22,407.72
  6. Step 6: Final answer
    x = 19,768.64

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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.