Home / 23,681.70-32,679.36-13,603.05

Finding the Fourth Proportional to 23,681.70, 32,679.36 and 13,603.05

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Solution

The fourth proportional to 23,681.70, 32,679.36 and 13,603.05 is: 18,771.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,681.70 : 32,679.36 = 13,603.05 : x
  2. Step 2: Convert to fraction form
    23,681.70/32,679.36 = 13,603.05/x
  3. Step 3: Cross multiply
    23,681.70x = 32,679.36 × 13,603.05
  4. Step 4: Simplify right side
    23,681.70x = 444,538,968.05
  5. Step 5: Solve for x
    x = 444,538,968.05/23,681.70
  6. Step 6: Final answer
    x = 18,771.41

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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.