Home / 26,603.74-39,905.37-10,187.74

Finding the Fourth Proportional to 26,603.74, 39,905.37 and 10,187.74

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Solution

The fourth proportional to 26,603.74, 39,905.37 and 10,187.74 is: 15,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,603.74 : 39,905.37 = 10,187.74 : x
  2. Step 2: Convert to fraction form
    26,603.74/39,905.37 = 10,187.74/x
  3. Step 3: Cross multiply
    26,603.74x = 39,905.37 × 10,187.74
  4. Step 4: Simplify right side
    26,603.74x = 406,545,534.16
  5. Step 5: Solve for x
    x = 406,545,534.16/26,603.74
  6. Step 6: Final answer
    x = 15,281.52

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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.