Home / 13,233.17-18,257.81-7,926.05

Finding the Fourth Proportional to 13,233.17, 18,257.81 and 7,926.05

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Solution

The fourth proportional to 13,233.17, 18,257.81 and 7,926.05 is: 10,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.17 : 18,257.81 = 7,926.05 : x
  2. Step 2: Convert to fraction form
    13,233.17/18,257.81 = 7,926.05/x
  3. Step 3: Cross multiply
    13,233.17x = 18,257.81 × 7,926.05
  4. Step 4: Simplify right side
    13,233.17x = 144,712,320.96
  5. Step 5: Solve for x
    x = 144,712,320.96/13,233.17
  6. Step 6: Final answer
    x = 10,935.57

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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.