Home / 19,642.61-27,105.98-10,690.13

Finding the Fourth Proportional to 19,642.61, 27,105.98 and 10,690.13

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Solution

The fourth proportional to 19,642.61, 27,105.98 and 10,690.13 is: 14,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,642.61 : 27,105.98 = 10,690.13 : x
  2. Step 2: Convert to fraction form
    19,642.61/27,105.98 = 10,690.13/x
  3. Step 3: Cross multiply
    19,642.61x = 27,105.98 × 10,690.13
  4. Step 4: Simplify right side
    19,642.61x = 289,766,261.00
  5. Step 5: Solve for x
    x = 289,766,261.00/19,642.61
  6. Step 6: Final answer
    x = 14,751.93

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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.