Home / 19,637.56-27,099.95-10,685.13

Finding the Fourth Proportional to 19,637.56, 27,099.95 and 10,685.13

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Solution

The fourth proportional to 19,637.56, 27,099.95 and 10,685.13 is: 14,745.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.56 : 27,099.95 = 10,685.13 : x
  2. Step 2: Convert to fraction form
    19,637.56/27,099.95 = 10,685.13/x
  3. Step 3: Cross multiply
    19,637.56x = 27,099.95 × 10,685.13
  4. Step 4: Simplify right side
    19,637.56x = 289,566,488.74
  5. Step 5: Solve for x
    x = 289,566,488.74/19,637.56
  6. Step 6: Final answer
    x = 14,745.54

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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.