Home / 18,526.16-27,789.24-10,784.72

Finding the Fourth Proportional to 18,526.16, 27,789.24 and 10,784.72

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Solution

The fourth proportional to 18,526.16, 27,789.24 and 10,784.72 is: 16,177.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.16 : 27,789.24 = 10,784.72 : x
  2. Step 2: Convert to fraction form
    18,526.16/27,789.24 = 10,784.72/x
  3. Step 3: Cross multiply
    18,526.16x = 27,789.24 × 10,784.72
  4. Step 4: Simplify right side
    18,526.16x = 299,699,172.41
  5. Step 5: Solve for x
    x = 299,699,172.41/18,526.16
  6. Step 6: Final answer
    x = 16,177.08

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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.