Home / 25,665.67-35,418.89-15,055.48

Finding the Fourth Proportional to 25,665.67, 35,418.89 and 15,055.48

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Solution

The fourth proportional to 25,665.67, 35,418.89 and 15,055.48 is: 20,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,665.67 : 35,418.89 = 15,055.48 : x
  2. Step 2: Convert to fraction form
    25,665.67/35,418.89 = 15,055.48/x
  3. Step 3: Cross multiply
    25,665.67x = 35,418.89 × 15,055.48
  4. Step 4: Simplify right side
    25,665.67x = 533,248,339.11
  5. Step 5: Solve for x
    x = 533,248,339.11/25,665.67
  6. Step 6: Final answer
    x = 20,776.72

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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.