Home / 15,106.06-20,848.62-10,871.14

Finding the Fourth Proportional to 15,106.06, 20,848.62 and 10,871.14

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Solution

The fourth proportional to 15,106.06, 20,848.62 and 10,871.14 is: 15,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106.06 : 20,848.62 = 10,871.14 : x
  2. Step 2: Convert to fraction form
    15,106.06/20,848.62 = 10,871.14/x
  3. Step 3: Cross multiply
    15,106.06x = 20,848.62 × 10,871.14
  4. Step 4: Simplify right side
    15,106.06x = 226,648,266.83
  5. Step 5: Solve for x
    x = 226,648,266.83/15,106.06
  6. Step 6: Final answer
    x = 15,003.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.