Home / 18,807.48-25,955.34-10,424.76

Finding the Fourth Proportional to 18,807.48, 25,955.34 and 10,424.76

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Solution

The fourth proportional to 18,807.48, 25,955.34 and 10,424.76 is: 14,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,807.48 : 25,955.34 = 10,424.76 : x
  2. Step 2: Convert to fraction form
    18,807.48/25,955.34 = 10,424.76/x
  3. Step 3: Cross multiply
    18,807.48x = 25,955.34 × 10,424.76
  4. Step 4: Simplify right side
    18,807.48x = 270,578,190.22
  5. Step 5: Solve for x
    x = 270,578,190.22/18,807.48
  6. Step 6: Final answer
    x = 14,386.73

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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.