Home / 18,926.61-28,395.47-5,599.96

Finding the Fourth Proportional to 18,926.61, 28,395.47 and 5,599.96

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Solution

The fourth proportional to 18,926.61, 28,395.47 and 5,599.96 is: 8,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.61 : 28,395.47 = 5,599.96 : x
  2. Step 2: Convert to fraction form
    18,926.61/28,395.47 = 5,599.96/x
  3. Step 3: Cross multiply
    18,926.61x = 28,395.47 × 5,599.96
  4. Step 4: Simplify right side
    18,926.61x = 159,013,397.19
  5. Step 5: Solve for x
    x = 159,013,397.19/18,926.61
  6. Step 6: Final answer
    x = 8,401.58

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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.