Home / 15,013.68-22,509.72-9,393.36

Finding the Fourth Proportional to 15,013.68, 22,509.72 and 9,393.36

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Solution

The fourth proportional to 15,013.68, 22,509.72 and 9,393.36 is: 14,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013.68 : 22,509.72 = 9,393.36 : x
  2. Step 2: Convert to fraction form
    15,013.68/22,509.72 = 9,393.36/x
  3. Step 3: Cross multiply
    15,013.68x = 22,509.72 × 9,393.36
  4. Step 4: Simplify right side
    15,013.68x = 211,441,903.46
  5. Step 5: Solve for x
    x = 211,441,903.46/15,013.68
  6. Step 6: Final answer
    x = 14,083.28

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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.