Home / 15,259.24-21,052.02-9,289

Finding the Fourth Proportional to 15,259.24, 21,052.02 and 9,289

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Solution

The fourth proportional to 15,259.24, 21,052.02 and 9,289 is: 12,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259.24 : 21,052.02 = 9,289 : x
  2. Step 2: Convert to fraction form
    15,259.24/21,052.02 = 9,289/x
  3. Step 3: Cross multiply
    15,259.24x = 21,052.02 × 9,289
  4. Step 4: Simplify right side
    15,259.24x = 195,552,213.78
  5. Step 5: Solve for x
    x = 195,552,213.78/15,259.24
  6. Step 6: Final answer
    x = 12,815.33

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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.