Home / 19,749.42-29,631.45-9,225.36

Finding the Fourth Proportional to 19,749.42, 29,631.45 and 9,225.36

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Solution

The fourth proportional to 19,749.42, 29,631.45 and 9,225.36 is: 13,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749.42 : 29,631.45 = 9,225.36 : x
  2. Step 2: Convert to fraction form
    19,749.42/29,631.45 = 9,225.36/x
  3. Step 3: Cross multiply
    19,749.42x = 29,631.45 × 9,225.36
  4. Step 4: Simplify right side
    19,749.42x = 273,360,793.57
  5. Step 5: Solve for x
    x = 273,360,793.57/19,749.42
  6. Step 6: Final answer
    x = 13,841.46

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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.