Home / 14,749.12-20,349.76-10,267.84

Finding the Fourth Proportional to 14,749.12, 20,349.76 and 10,267.84

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Solution

The fourth proportional to 14,749.12, 20,349.76 and 10,267.84 is: 14,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,749.12 : 20,349.76 = 10,267.84 : x
  2. Step 2: Convert to fraction form
    14,749.12/20,349.76 = 10,267.84/x
  3. Step 3: Cross multiply
    14,749.12x = 20,349.76 × 10,267.84
  4. Step 4: Simplify right side
    14,749.12x = 208,948,079.72
  5. Step 5: Solve for x
    x = 208,948,079.72/14,749.12
  6. Step 6: Final answer
    x = 14,166.82

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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.