Home / 14,722.08-20,324.85-9,700.89

Finding the Fourth Proportional to 14,722.08, 20,324.85 and 9,700.89

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Solution

The fourth proportional to 14,722.08, 20,324.85 and 9,700.89 is: 13,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.08 : 20,324.85 = 9,700.89 : x
  2. Step 2: Convert to fraction form
    14,722.08/20,324.85 = 9,700.89/x
  3. Step 3: Cross multiply
    14,722.08x = 20,324.85 × 9,700.89
  4. Step 4: Simplify right side
    14,722.08x = 197,169,134.12
  5. Step 5: Solve for x
    x = 197,169,134.12/14,722.08
  6. Step 6: Final answer
    x = 13,392.75

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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.