Home / 14,862.33-20,510.40-8,401.45

Finding the Fourth Proportional to 14,862.33, 20,510.40 and 8,401.45

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Solution

The fourth proportional to 14,862.33, 20,510.40 and 8,401.45 is: 11,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.33 : 20,510.40 = 8,401.45 : x
  2. Step 2: Convert to fraction form
    14,862.33/20,510.40 = 8,401.45/x
  3. Step 3: Cross multiply
    14,862.33x = 20,510.40 × 8,401.45
  4. Step 4: Simplify right side
    14,862.33x = 172,317,100.08
  5. Step 5: Solve for x
    x = 172,317,100.08/14,862.33
  6. Step 6: Final answer
    x = 11,594.22

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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.