Home / 23,007.35-31,749.60-15,049.40

Finding the Fourth Proportional to 23,007.35, 31,749.60 and 15,049.40

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Solution

The fourth proportional to 23,007.35, 31,749.60 and 15,049.40 is: 20,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,007.35 : 31,749.60 = 15,049.40 : x
  2. Step 2: Convert to fraction form
    23,007.35/31,749.60 = 15,049.40/x
  3. Step 3: Cross multiply
    23,007.35x = 31,749.60 × 15,049.40
  4. Step 4: Simplify right side
    23,007.35x = 477,812,430.24
  5. Step 5: Solve for x
    x = 477,812,430.24/23,007.35
  6. Step 6: Final answer
    x = 20,767.82

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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.