Home / 18,807.63-25,955.33-10,424.13

Finding the Fourth Proportional to 18,807.63, 25,955.33 and 10,424.13

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Solution

The fourth proportional to 18,807.63, 25,955.33 and 10,424.13 is: 14,385.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,807.63 : 25,955.33 = 10,424.13 : x
  2. Step 2: Convert to fraction form
    18,807.63/25,955.33 = 10,424.13/x
  3. Step 3: Cross multiply
    18,807.63x = 25,955.33 × 10,424.13
  4. Step 4: Simplify right side
    18,807.63x = 270,561,734.11
  5. Step 5: Solve for x
    x = 270,561,734.11/18,807.63
  6. Step 6: Final answer
    x = 14,385.74

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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.