Home / 18,256.80-25,205.16-11,548.32

Finding the Fourth Proportional to 18,256.80, 25,205.16 and 11,548.32

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Solution

The fourth proportional to 18,256.80, 25,205.16 and 11,548.32 is: 15,943.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.80 : 25,205.16 = 11,548.32 : x
  2. Step 2: Convert to fraction form
    18,256.80/25,205.16 = 11,548.32/x
  3. Step 3: Cross multiply
    18,256.80x = 25,205.16 × 11,548.32
  4. Step 4: Simplify right side
    18,256.80x = 291,077,253.33
  5. Step 5: Solve for x
    x = 291,077,253.33/18,256.80
  6. Step 6: Final answer
    x = 15,943.50

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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.