Home / 15,573.15-21,468.69-9,600.84

Finding the Fourth Proportional to 15,573.15, 21,468.69 and 9,600.84

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Solution

The fourth proportional to 15,573.15, 21,468.69 and 9,600.84 is: 13,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.15 : 21,468.69 = 9,600.84 : x
  2. Step 2: Convert to fraction form
    15,573.15/21,468.69 = 9,600.84/x
  3. Step 3: Cross multiply
    15,573.15x = 21,468.69 × 9,600.84
  4. Step 4: Simplify right side
    15,573.15x = 206,117,457.70
  5. Step 5: Solve for x
    x = 206,117,457.70/15,573.15
  6. Step 6: Final answer
    x = 13,235.44

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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.