Home / 19,372.34-26,732.76-10,988.84

Finding the Fourth Proportional to 19,372.34, 26,732.76 and 10,988.84

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Solution

The fourth proportional to 19,372.34, 26,732.76 and 10,988.84 is: 15,163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.34 : 26,732.76 = 10,988.84 : x
  2. Step 2: Convert to fraction form
    19,372.34/26,732.76 = 10,988.84/x
  3. Step 3: Cross multiply
    19,372.34x = 26,732.76 × 10,988.84
  4. Step 4: Simplify right side
    19,372.34x = 293,762,022.40
  5. Step 5: Solve for x
    x = 293,762,022.40/19,372.34
  6. Step 6: Final answer
    x = 15,163.99

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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.