Home / 15,954.07-22,017.03-8,784.19

Finding the Fourth Proportional to 15,954.07, 22,017.03 and 8,784.19

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Solution

The fourth proportional to 15,954.07, 22,017.03 and 8,784.19 is: 12,122.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.07 : 22,017.03 = 8,784.19 : x
  2. Step 2: Convert to fraction form
    15,954.07/22,017.03 = 8,784.19/x
  3. Step 3: Cross multiply
    15,954.07x = 22,017.03 × 8,784.19
  4. Step 4: Simplify right side
    15,954.07x = 193,401,774.76
  5. Step 5: Solve for x
    x = 193,401,774.76/15,954.07
  6. Step 6: Final answer
    x = 12,122.41

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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.