Home / 19,430.22-29,154.55-10,068.49

Finding the Fourth Proportional to 19,430.22, 29,154.55 and 10,068.49

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Solution

The fourth proportional to 19,430.22, 29,154.55 and 10,068.49 is: 15,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.22 : 29,154.55 = 10,068.49 : x
  2. Step 2: Convert to fraction form
    19,430.22/29,154.55 = 10,068.49/x
  3. Step 3: Cross multiply
    19,430.22x = 29,154.55 × 10,068.49
  4. Step 4: Simplify right side
    19,430.22x = 293,542,295.13
  5. Step 5: Solve for x
    x = 293,542,295.13/19,430.22
  6. Step 6: Final answer
    x = 15,107.51

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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.