Home / 19,688.22-29,530.41-7,377.18

Finding the Fourth Proportional to 19,688.22, 29,530.41 and 7,377.18

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Solution

The fourth proportional to 19,688.22, 29,530.41 and 7,377.18 is: 11,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.22 : 29,530.41 = 7,377.18 : x
  2. Step 2: Convert to fraction form
    19,688.22/29,530.41 = 7,377.18/x
  3. Step 3: Cross multiply
    19,688.22x = 29,530.41 × 7,377.18
  4. Step 4: Simplify right side
    19,688.22x = 217,851,150.04
  5. Step 5: Solve for x
    x = 217,851,150.04/19,688.22
  6. Step 6: Final answer
    x = 11,065.05

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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.