Home / 15,971.68-22,029.19-10,303.55

Finding the Fourth Proportional to 15,971.68, 22,029.19 and 10,303.55

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Solution

The fourth proportional to 15,971.68, 22,029.19 and 10,303.55 is: 14,211.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,971.68 : 22,029.19 = 10,303.55 : x
  2. Step 2: Convert to fraction form
    15,971.68/22,029.19 = 10,303.55/x
  3. Step 3: Cross multiply
    15,971.68x = 22,029.19 × 10,303.55
  4. Step 4: Simplify right side
    15,971.68x = 226,978,807.33
  5. Step 5: Solve for x
    x = 226,978,807.33/15,971.68
  6. Step 6: Final answer
    x = 14,211.33

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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.