Home / 20,541.93-28,347.81-11,110.47

Finding the Fourth Proportional to 20,541.93, 28,347.81 and 11,110.47

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Solution

The fourth proportional to 20,541.93, 28,347.81 and 11,110.47 is: 15,332.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.93 : 28,347.81 = 11,110.47 : x
  2. Step 2: Convert to fraction form
    20,541.93/28,347.81 = 11,110.47/x
  3. Step 3: Cross multiply
    20,541.93x = 28,347.81 × 11,110.47
  4. Step 4: Simplify right side
    20,541.93x = 314,957,492.57
  5. Step 5: Solve for x
    x = 314,957,492.57/20,541.93
  6. Step 6: Final answer
    x = 15,332.42

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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.