Home / 13,565.22-18,718.93-7,595.50

Finding the Fourth Proportional to 13,565.22, 18,718.93 and 7,595.50

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Solution

The fourth proportional to 13,565.22, 18,718.93 and 7,595.50 is: 10,481.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.22 : 18,718.93 = 7,595.50 : x
  2. Step 2: Convert to fraction form
    13,565.22/18,718.93 = 7,595.50/x
  3. Step 3: Cross multiply
    13,565.22x = 18,718.93 × 7,595.50
  4. Step 4: Simplify right side
    13,565.22x = 142,179,632.82
  5. Step 5: Solve for x
    x = 142,179,632.82/13,565.22
  6. Step 6: Final answer
    x = 10,481.19

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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.