Home / 14,440.10-21,660.15-9,968.90

Finding the Fourth Proportional to 14,440.10, 21,660.15 and 9,968.90

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Solution

The fourth proportional to 14,440.10, 21,660.15 and 9,968.90 is: 14,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.10 : 21,660.15 = 9,968.90 : x
  2. Step 2: Convert to fraction form
    14,440.10/21,660.15 = 9,968.90/x
  3. Step 3: Cross multiply
    14,440.10x = 21,660.15 × 9,968.90
  4. Step 4: Simplify right side
    14,440.10x = 215,927,869.34
  5. Step 5: Solve for x
    x = 215,927,869.34/14,440.10
  6. Step 6: Final answer
    x = 14,953.35

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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.