Home / 14,362.47-21,543.55-5,603.53

Finding the Fourth Proportional to 14,362.47, 21,543.55 and 5,603.53

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Solution

The fourth proportional to 14,362.47, 21,543.55 and 5,603.53 is: 8,405.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,362.47 : 21,543.55 = 5,603.53 : x
  2. Step 2: Convert to fraction form
    14,362.47/21,543.55 = 5,603.53/x
  3. Step 3: Cross multiply
    14,362.47x = 21,543.55 × 5,603.53
  4. Step 4: Simplify right side
    14,362.47x = 120,719,928.73
  5. Step 5: Solve for x
    x = 120,719,928.73/14,362.47
  6. Step 6: Final answer
    x = 8,405.23

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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.