Home / 15,603.85-23,403.47-5,740.82

Finding the Fourth Proportional to 15,603.85, 23,403.47 and 5,740.82

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Solution

The fourth proportional to 15,603.85, 23,403.47 and 5,740.82 is: 8,610.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603.85 : 23,403.47 = 5,740.82 : x
  2. Step 2: Convert to fraction form
    15,603.85/23,403.47 = 5,740.82/x
  3. Step 3: Cross multiply
    15,603.85x = 23,403.47 × 5,740.82
  4. Step 4: Simplify right side
    15,603.85x = 134,355,159.98
  5. Step 5: Solve for x
    x = 134,355,159.98/15,603.85
  6. Step 6: Final answer
    x = 8,610.38

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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.