Home / 18,937.03-26,133.29-10,439.48

Finding the Fourth Proportional to 18,937.03, 26,133.29 and 10,439.48

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Solution

The fourth proportional to 18,937.03, 26,133.29 and 10,439.48 is: 14,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937.03 : 26,133.29 = 10,439.48 : x
  2. Step 2: Convert to fraction form
    18,937.03/26,133.29 = 10,439.48/x
  3. Step 3: Cross multiply
    18,937.03x = 26,133.29 × 10,439.48
  4. Step 4: Simplify right side
    18,937.03x = 272,817,958.29
  5. Step 5: Solve for x
    x = 272,817,958.29/18,937.03
  6. Step 6: Final answer
    x = 14,406.59

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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.