Home / 19,642.68-29,463.37-6,315.65

Finding the Fourth Proportional to 19,642.68, 29,463.37 and 6,315.65

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Solution

The fourth proportional to 19,642.68, 29,463.37 and 6,315.65 is: 9,473.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,642.68 : 29,463.37 = 6,315.65 : x
  2. Step 2: Convert to fraction form
    19,642.68/29,463.37 = 6,315.65/x
  3. Step 3: Cross multiply
    19,642.68x = 29,463.37 × 6,315.65
  4. Step 4: Simplify right side
    19,642.68x = 186,080,215.02
  5. Step 5: Solve for x
    x = 186,080,215.02/19,642.68
  6. Step 6: Final answer
    x = 9,473.26

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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.