Home / 25,587.36-35,318.16-16,162.20

Finding the Fourth Proportional to 25,587.36, 35,318.16 and 16,162.20

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Solution

The fourth proportional to 25,587.36, 35,318.16 and 16,162.20 is: 22,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,587.36 : 35,318.16 = 16,162.20 : x
  2. Step 2: Convert to fraction form
    25,587.36/35,318.16 = 16,162.20/x
  3. Step 3: Cross multiply
    25,587.36x = 35,318.16 × 16,162.20
  4. Step 4: Simplify right side
    25,587.36x = 570,819,165.55
  5. Step 5: Solve for x
    x = 570,819,165.55/25,587.36
  6. Step 6: Final answer
    x = 22,308.64

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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.