Home / 18,313.64-25,263.34-11,587.71

Finding the Fourth Proportional to 18,313.64, 25,263.34 and 11,587.71

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Solution

The fourth proportional to 18,313.64, 25,263.34 and 11,587.71 is: 15,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.64 : 25,263.34 = 11,587.71 : x
  2. Step 2: Convert to fraction form
    18,313.64/25,263.34 = 11,587.71/x
  3. Step 3: Cross multiply
    18,313.64x = 25,263.34 × 11,587.71
  4. Step 4: Simplify right side
    18,313.64x = 292,744,246.39
  5. Step 5: Solve for x
    x = 292,744,246.39/18,313.64
  6. Step 6: Final answer
    x = 15,985.04

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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.