Home / 13,158.33-19,690.56-10,542.63

Finding the Fourth Proportional to 13,158.33, 19,690.56 and 10,542.63

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Solution

The fourth proportional to 13,158.33, 19,690.56 and 10,542.63 is: 15,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158.33 : 19,690.56 = 10,542.63 : x
  2. Step 2: Convert to fraction form
    13,158.33/19,690.56 = 10,542.63/x
  3. Step 3: Cross multiply
    13,158.33x = 19,690.56 × 10,542.63
  4. Step 4: Simplify right side
    13,158.33x = 207,590,288.57
  5. Step 5: Solve for x
    x = 207,590,288.57/13,158.33
  6. Step 6: Final answer
    x = 15,776.34

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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.