Home / 38,398.07-57,588.47-13,774.07

Finding the Fourth Proportional to 38,398.07, 57,588.47 and 13,774.07

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Solution

The fourth proportional to 38,398.07, 57,588.47 and 13,774.07 is: 20,658.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,398.07 : 57,588.47 = 13,774.07 : x
  2. Step 2: Convert to fraction form
    38,398.07/57,588.47 = 13,774.07/x
  3. Step 3: Cross multiply
    38,398.07x = 57,588.47 × 13,774.07
  4. Step 4: Simplify right side
    38,398.07x = 793,227,548.10
  5. Step 5: Solve for x
    x = 793,227,548.10/38,398.07
  6. Step 6: Final answer
    x = 20,658.01

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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.