Home / 23,749.32-32,774.08-13,139.68

Finding the Fourth Proportional to 23,749.32, 32,774.08 and 13,139.68

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Solution

The fourth proportional to 23,749.32, 32,774.08 and 13,139.68 is: 18,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,749.32 : 32,774.08 = 13,139.68 : x
  2. Step 2: Convert to fraction form
    23,749.32/32,774.08 = 13,139.68/x
  3. Step 3: Cross multiply
    23,749.32x = 32,774.08 × 13,139.68
  4. Step 4: Simplify right side
    23,749.32x = 430,640,923.49
  5. Step 5: Solve for x
    x = 430,640,923.49/23,749.32
  6. Step 6: Final answer
    x = 18,132.77

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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.