Home / 18,538.16-25,582.53-10,040.09

Finding the Fourth Proportional to 18,538.16, 25,582.53 and 10,040.09

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Solution

The fourth proportional to 18,538.16, 25,582.53 and 10,040.09 is: 13,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.16 : 25,582.53 = 10,040.09 : x
  2. Step 2: Convert to fraction form
    18,538.16/25,582.53 = 10,040.09/x
  3. Step 3: Cross multiply
    18,538.16x = 25,582.53 × 10,040.09
  4. Step 4: Simplify right side
    18,538.16x = 256,850,864.77
  5. Step 5: Solve for x
    x = 256,850,864.77/18,538.16
  6. Step 6: Final answer
    x = 13,855.25

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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.