Home / 14,689.90-22,020.37-9,409.92

Finding the Fourth Proportional to 14,689.90, 22,020.37 and 9,409.92

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Solution

The fourth proportional to 14,689.90, 22,020.37 and 9,409.92 is: 14,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,689.90 : 22,020.37 = 9,409.92 : x
  2. Step 2: Convert to fraction form
    14,689.90/22,020.37 = 9,409.92/x
  3. Step 3: Cross multiply
    14,689.90x = 22,020.37 × 9,409.92
  4. Step 4: Simplify right side
    14,689.90x = 207,209,920.07
  5. Step 5: Solve for x
    x = 207,209,920.07/14,689.90
  6. Step 6: Final answer
    x = 14,105.60

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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.