Home / 18,347.81-27,525.65-5,697.31

Finding the Fourth Proportional to 18,347.81, 27,525.65 and 5,697.31

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Solution

The fourth proportional to 18,347.81, 27,525.65 and 5,697.31 is: 8,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.81 : 27,525.65 = 5,697.31 : x
  2. Step 2: Convert to fraction form
    18,347.81/27,525.65 = 5,697.31/x
  3. Step 3: Cross multiply
    18,347.81x = 27,525.65 × 5,697.31
  4. Step 4: Simplify right side
    18,347.81x = 156,821,994.89
  5. Step 5: Solve for x
    x = 156,821,994.89/18,347.81
  6. Step 6: Final answer
    x = 8,547.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.