Home / 17,775.81-24,530.28-9,818.57

Finding the Fourth Proportional to 17,775.81, 24,530.28 and 9,818.57

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Solution

The fourth proportional to 17,775.81, 24,530.28 and 9,818.57 is: 13,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,775.81 : 24,530.28 = 9,818.57 : x
  2. Step 2: Convert to fraction form
    17,775.81/24,530.28 = 9,818.57/x
  3. Step 3: Cross multiply
    17,775.81x = 24,530.28 × 9,818.57
  4. Step 4: Simplify right side
    17,775.81x = 240,852,148.65
  5. Step 5: Solve for x
    x = 240,852,148.65/17,775.81
  6. Step 6: Final answer
    x = 13,549.43

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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.