Home / 14,962.46-20,661.48-9,306.90

Finding the Fourth Proportional to 14,962.46, 20,661.48 and 9,306.90

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Solution

The fourth proportional to 14,962.46, 20,661.48 and 9,306.90 is: 12,851.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.46 : 20,661.48 = 9,306.90 : x
  2. Step 2: Convert to fraction form
    14,962.46/20,661.48 = 9,306.90/x
  3. Step 3: Cross multiply
    14,962.46x = 20,661.48 × 9,306.90
  4. Step 4: Simplify right side
    14,962.46x = 192,294,328.21
  5. Step 5: Solve for x
    x = 192,294,328.21/14,962.46
  6. Step 6: Final answer
    x = 12,851.79

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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.