Home / 13,582.23-18,743.66-8,277.54

Finding the Fourth Proportional to 13,582.23, 18,743.66 and 8,277.54

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Solution

The fourth proportional to 13,582.23, 18,743.66 and 8,277.54 is: 11,423.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.23 : 18,743.66 = 8,277.54 : x
  2. Step 2: Convert to fraction form
    13,582.23/18,743.66 = 8,277.54/x
  3. Step 3: Cross multiply
    13,582.23x = 18,743.66 × 8,277.54
  4. Step 4: Simplify right side
    13,582.23x = 155,151,354.01
  5. Step 5: Solve for x
    x = 155,151,354.01/13,582.23
  6. Step 6: Final answer
    x = 11,423.11

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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.