Home / 19,022.50-26,251.14-10,639

Finding the Fourth Proportional to 19,022.50, 26,251.14 and 10,639

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Solution

The fourth proportional to 19,022.50, 26,251.14 and 10,639 is: 14,681.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.50 : 26,251.14 = 10,639 : x
  2. Step 2: Convert to fraction form
    19,022.50/26,251.14 = 10,639/x
  3. Step 3: Cross multiply
    19,022.50x = 26,251.14 × 10,639
  4. Step 4: Simplify right side
    19,022.50x = 279,285,878.46
  5. Step 5: Solve for x
    x = 279,285,878.46/19,022.50
  6. Step 6: Final answer
    x = 14,681.87

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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.