Home / 13,603.47-20,404.80-4,832.25

Finding the Fourth Proportional to 13,603.47, 20,404.80 and 4,832.25

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Solution

The fourth proportional to 13,603.47, 20,404.80 and 4,832.25 is: 7,248.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603.47 : 20,404.80 = 4,832.25 : x
  2. Step 2: Convert to fraction form
    13,603.47/20,404.80 = 4,832.25/x
  3. Step 3: Cross multiply
    13,603.47x = 20,404.80 × 4,832.25
  4. Step 4: Simplify right side
    13,603.47x = 98,601,094.80
  5. Step 5: Solve for x
    x = 98,601,094.80/13,603.47
  6. Step 6: Final answer
    x = 7,248.23

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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.