Home / 25,772.21-35,565.02-15,162.51

Finding the Fourth Proportional to 25,772.21, 35,565.02 and 15,162.51

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Solution

The fourth proportional to 25,772.21, 35,565.02 and 15,162.51 is: 20,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,772.21 : 35,565.02 = 15,162.51 : x
  2. Step 2: Convert to fraction form
    25,772.21/35,565.02 = 15,162.51/x
  3. Step 3: Cross multiply
    25,772.21x = 35,565.02 × 15,162.51
  4. Step 4: Simplify right side
    25,772.21x = 539,254,971.40
  5. Step 5: Solve for x
    x = 539,254,971.40/25,772.21
  6. Step 6: Final answer
    x = 20,923.90

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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.