Home / 19,730.16-27,226.80-11,233.53

Finding the Fourth Proportional to 19,730.16, 27,226.80 and 11,233.53

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Solution

The fourth proportional to 19,730.16, 27,226.80 and 11,233.53 is: 15,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.16 : 27,226.80 = 11,233.53 : x
  2. Step 2: Convert to fraction form
    19,730.16/27,226.80 = 11,233.53/x
  3. Step 3: Cross multiply
    19,730.16x = 27,226.80 × 11,233.53
  4. Step 4: Simplify right side
    19,730.16x = 305,853,074.60
  5. Step 5: Solve for x
    x = 305,853,074.60/19,730.16
  6. Step 6: Final answer
    x = 15,501.80

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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.