Home / 25,749.09-35,521.20-16,200.81

Finding the Fourth Proportional to 25,749.09, 35,521.20 and 16,200.81

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Solution

The fourth proportional to 25,749.09, 35,521.20 and 16,200.81 is: 22,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,749.09 : 35,521.20 = 16,200.81 : x
  2. Step 2: Convert to fraction form
    25,749.09/35,521.20 = 16,200.81/x
  3. Step 3: Cross multiply
    25,749.09x = 35,521.20 × 16,200.81
  4. Step 4: Simplify right side
    25,749.09x = 575,472,212.17
  5. Step 5: Solve for x
    x = 575,472,212.17/25,749.09
  6. Step 6: Final answer
    x = 22,349.23

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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.