Home / 25,665.48-35,418.30-15,055.02

Finding the Fourth Proportional to 25,665.48, 35,418.30 and 15,055.02

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Solution

The fourth proportional to 25,665.48, 35,418.30 and 15,055.02 is: 20,775.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,665.48 : 35,418.30 = 15,055.02 : x
  2. Step 2: Convert to fraction form
    25,665.48/35,418.30 = 15,055.02/x
  3. Step 3: Cross multiply
    25,665.48x = 35,418.30 × 15,055.02
  4. Step 4: Simplify right side
    25,665.48x = 533,223,214.87
  5. Step 5: Solve for x
    x = 533,223,214.87/25,665.48
  6. Step 6: Final answer
    x = 20,775.89

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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.