Home / 19,319.63-26,661.92-10,936.13

Finding the Fourth Proportional to 19,319.63, 26,661.92 and 10,936.13

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Solution

The fourth proportional to 19,319.63, 26,661.92 and 10,936.13 is: 15,092.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.63 : 26,661.92 = 10,936.13 : x
  2. Step 2: Convert to fraction form
    19,319.63/26,661.92 = 10,936.13/x
  3. Step 3: Cross multiply
    19,319.63x = 26,661.92 × 10,936.13
  4. Step 4: Simplify right side
    19,319.63x = 291,578,035.18
  5. Step 5: Solve for x
    x = 291,578,035.18/19,319.63
  6. Step 6: Final answer
    x = 15,092.32

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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.