Home / 19,679.33-29,518.61-4,888.22

Finding the Fourth Proportional to 19,679.33, 29,518.61 and 4,888.22

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Solution

The fourth proportional to 19,679.33, 29,518.61 and 4,888.22 is: 7,332.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.33 : 29,518.61 = 4,888.22 : x
  2. Step 2: Convert to fraction form
    19,679.33/29,518.61 = 4,888.22/x
  3. Step 3: Cross multiply
    19,679.33x = 29,518.61 × 4,888.22
  4. Step 4: Simplify right side
    19,679.33x = 144,293,287.74
  5. Step 5: Solve for x
    x = 144,293,287.74/19,679.33
  6. Step 6: Final answer
    x = 7,332.22

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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.