Home / 25,690.48-35,442.36-17,309.68

Finding the Fourth Proportional to 25,690.48, 35,442.36 and 17,309.68

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Solution

The fourth proportional to 25,690.48, 35,442.36 and 17,309.68 is: 23,880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.48 : 35,442.36 = 17,309.68 : x
  2. Step 2: Convert to fraction form
    25,690.48/35,442.36 = 17,309.68/x
  3. Step 3: Cross multiply
    25,690.48x = 35,442.36 × 17,309.68
  4. Step 4: Simplify right side
    25,690.48x = 613,495,910.04
  5. Step 5: Solve for x
    x = 613,495,910.04/25,690.48
  6. Step 6: Final answer
    x = 23,880.28

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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.