Home / 15,950.36-22,015.28-9,661.52

Finding the Fourth Proportional to 15,950.36, 22,015.28 and 9,661.52

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Solution

The fourth proportional to 15,950.36, 22,015.28 and 9,661.52 is: 13,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,950.36 : 22,015.28 = 9,661.52 : x
  2. Step 2: Convert to fraction form
    15,950.36/22,015.28 = 9,661.52/x
  3. Step 3: Cross multiply
    15,950.36x = 22,015.28 × 9,661.52
  4. Step 4: Simplify right side
    15,950.36x = 212,701,068.03
  5. Step 5: Solve for x
    x = 212,701,068.03/15,950.36
  6. Step 6: Final answer
    x = 13,335.19

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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.