Home / 18,526.48-27,776.76-9,287.44

Finding the Fourth Proportional to 18,526.48, 27,776.76 and 9,287.44

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Solution

The fourth proportional to 18,526.48, 27,776.76 and 9,287.44 is: 13,924.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.48 : 27,776.76 = 9,287.44 : x
  2. Step 2: Convert to fraction form
    18,526.48/27,776.76 = 9,287.44/x
  3. Step 3: Cross multiply
    18,526.48x = 27,776.76 × 9,287.44
  4. Step 4: Simplify right side
    18,526.48x = 257,974,991.89
  5. Step 5: Solve for x
    x = 257,974,991.89/18,526.48
  6. Step 6: Final answer
    x = 13,924.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.