Home / 15,975.94-22,041.57-9,686.02

Finding the Fourth Proportional to 15,975.94, 22,041.57 and 9,686.02

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Solution

The fourth proportional to 15,975.94, 22,041.57 and 9,686.02 is: 13,363.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,975.94 : 22,041.57 = 9,686.02 : x
  2. Step 2: Convert to fraction form
    15,975.94/22,041.57 = 9,686.02/x
  3. Step 3: Cross multiply
    15,975.94x = 22,041.57 × 9,686.02
  4. Step 4: Simplify right side
    15,975.94x = 213,495,087.85
  5. Step 5: Solve for x
    x = 213,495,087.85/15,975.94
  6. Step 6: Final answer
    x = 13,363.54

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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.