Home / 16,955.47-25,407.38-8,623.00

Finding the Fourth Proportional to 16,955.47, 25,407.38 and 8,623.00

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Solution

The fourth proportional to 16,955.47, 25,407.38 and 8,623.00 is: 12,921.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,955.47 : 25,407.38 = 8,623.00 : x
  2. Step 2: Convert to fraction form
    16,955.47/25,407.38 = 8,623.00/x
  3. Step 3: Cross multiply
    16,955.47x = 25,407.38 × 8,623.00
  4. Step 4: Simplify right side
    16,955.47x = 219,087,795.78
  5. Step 5: Solve for x
    x = 219,087,795.78/16,955.47
  6. Step 6: Final answer
    x = 12,921.37

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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.