Home / 25,673.96-35,417.16-17,720.60

Finding the Fourth Proportional to 25,673.96, 35,417.16 and 17,720.60

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Solution

The fourth proportional to 25,673.96, 35,417.16 and 17,720.60 is: 24,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,673.96 : 35,417.16 = 17,720.60 : x
  2. Step 2: Convert to fraction form
    25,673.96/35,417.16 = 17,720.60/x
  3. Step 3: Cross multiply
    25,673.96x = 35,417.16 × 17,720.60
  4. Step 4: Simplify right side
    25,673.96x = 627,613,325.50
  5. Step 5: Solve for x
    x = 627,613,325.50/25,673.96
  6. Step 6: Final answer
    x = 24,445.52

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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.