Home / 19,935.91-27,510.57-10,983.18

Finding the Fourth Proportional to 19,935.91, 27,510.57 and 10,983.18

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Solution

The fourth proportional to 19,935.91, 27,510.57 and 10,983.18 is: 15,156.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.91 : 27,510.57 = 10,983.18 : x
  2. Step 2: Convert to fraction form
    19,935.91/27,510.57 = 10,983.18/x
  3. Step 3: Cross multiply
    19,935.91x = 27,510.57 × 10,983.18
  4. Step 4: Simplify right side
    19,935.91x = 302,153,542.21
  5. Step 5: Solve for x
    x = 302,153,542.21/19,935.91
  6. Step 6: Final answer
    x = 15,156.25

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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.