Home / 19,818.13-29,706.23-7,330.13

Finding the Fourth Proportional to 19,818.13, 29,706.23 and 7,330.13

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Solution

The fourth proportional to 19,818.13, 29,706.23 and 7,330.13 is: 10,987.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.13 : 29,706.23 = 7,330.13 : x
  2. Step 2: Convert to fraction form
    19,818.13/29,706.23 = 7,330.13/x
  3. Step 3: Cross multiply
    19,818.13x = 29,706.23 × 7,330.13
  4. Step 4: Simplify right side
    19,818.13x = 217,750,527.71
  5. Step 5: Solve for x
    x = 217,750,527.71/19,818.13
  6. Step 6: Final answer
    x = 10,987.44

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1.5x scale

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.