Home / 25,480.60-35,166.47-15,409.10

Finding the Fourth Proportional to 25,480.60, 35,166.47 and 15,409.10

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Solution

The fourth proportional to 25,480.60, 35,166.47 and 15,409.10 is: 21,266.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,480.60 : 35,166.47 = 15,409.10 : x
  2. Step 2: Convert to fraction form
    25,480.60/35,166.47 = 15,409.10/x
  3. Step 3: Cross multiply
    25,480.60x = 35,166.47 × 15,409.10
  4. Step 4: Simplify right side
    25,480.60x = 541,883,663.75
  5. Step 5: Solve for x
    x = 541,883,663.75/25,480.60
  6. Step 6: Final answer
    x = 21,266.52

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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.