Home / 18,567.76-25,632.20-11,498.32

Finding the Fourth Proportional to 18,567.76, 25,632.20 and 11,498.32

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Solution

The fourth proportional to 18,567.76, 25,632.20 and 11,498.32 is: 15,873.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.76 : 25,632.20 = 11,498.32 : x
  2. Step 2: Convert to fraction form
    18,567.76/25,632.20 = 11,498.32/x
  3. Step 3: Cross multiply
    18,567.76x = 25,632.20 × 11,498.32
  4. Step 4: Simplify right side
    18,567.76x = 294,727,237.90
  5. Step 5: Solve for x
    x = 294,727,237.90/18,567.76
  6. Step 6: Final answer
    x = 15,873.06

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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.