Home / 19,381.20-29,048.43-10,016.16

Finding the Fourth Proportional to 19,381.20, 29,048.43 and 10,016.16

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Solution

The fourth proportional to 19,381.20, 29,048.43 and 10,016.16 is: 15,012.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,381.20 : 29,048.43 = 10,016.16 : x
  2. Step 2: Convert to fraction form
    19,381.20/29,048.43 = 10,016.16/x
  3. Step 3: Cross multiply
    19,381.20x = 29,048.43 × 10,016.16
  4. Step 4: Simplify right side
    19,381.20x = 290,953,722.63
  5. Step 5: Solve for x
    x = 290,953,722.63/19,381.20
  6. Step 6: Final answer
    x = 15,012.16

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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.