Home / 15,873.51-23,821.20-7,118.22

Finding the Fourth Proportional to 15,873.51, 23,821.20 and 7,118.22

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Solution

The fourth proportional to 15,873.51, 23,821.20 and 7,118.22 is: 10,682.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873.51 : 23,821.20 = 7,118.22 : x
  2. Step 2: Convert to fraction form
    15,873.51/23,821.20 = 7,118.22/x
  3. Step 3: Cross multiply
    15,873.51x = 23,821.20 × 7,118.22
  4. Step 4: Simplify right side
    15,873.51x = 169,564,542.26
  5. Step 5: Solve for x
    x = 169,564,542.26/15,873.51
  6. Step 6: Final answer
    x = 10,682.23

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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.