Home / 19,935.56-27,510.95-10,982.86

Finding the Fourth Proportional to 19,935.56, 27,510.95 and 10,982.86

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Solution

The fourth proportional to 19,935.56, 27,510.95 and 10,982.86 is: 15,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.56 : 27,510.95 = 10,982.86 : x
  2. Step 2: Convert to fraction form
    19,935.56/27,510.95 = 10,982.86/x
  3. Step 3: Cross multiply
    19,935.56x = 27,510.95 × 10,982.86
  4. Step 4: Simplify right side
    19,935.56x = 302,148,719.85
  5. Step 5: Solve for x
    x = 302,148,719.85/19,935.56
  6. Step 6: Final answer
    x = 15,156.27

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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.