Home / 20,524.48-28,322.08-11,574.18

Finding the Fourth Proportional to 20,524.48, 28,322.08 and 11,574.18

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Solution

The fourth proportional to 20,524.48, 28,322.08 and 11,574.18 is: 15,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524.48 : 28,322.08 = 11,574.18 : x
  2. Step 2: Convert to fraction form
    20,524.48/28,322.08 = 11,574.18/x
  3. Step 3: Cross multiply
    20,524.48x = 28,322.08 × 11,574.18
  4. Step 4: Simplify right side
    20,524.48x = 327,804,851.89
  5. Step 5: Solve for x
    x = 327,804,851.89/20,524.48
  6. Step 6: Final answer
    x = 15,971.41

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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.