Home / 19,792.68-27,313.91-10,840.18

Finding the Fourth Proportional to 19,792.68, 27,313.91 and 10,840.18

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Solution

The fourth proportional to 19,792.68, 27,313.91 and 10,840.18 is: 14,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.68 : 27,313.91 = 10,840.18 : x
  2. Step 2: Convert to fraction form
    19,792.68/27,313.91 = 10,840.18/x
  3. Step 3: Cross multiply
    19,792.68x = 27,313.91 × 10,840.18
  4. Step 4: Simplify right side
    19,792.68x = 296,087,700.90
  5. Step 5: Solve for x
    x = 296,087,700.90/19,792.68
  6. Step 6: Final answer
    x = 14,959.45

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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.