Home / 15,596.20-21,522.68-9,225.08

Finding the Fourth Proportional to 15,596.20, 21,522.68 and 9,225.08

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Solution

The fourth proportional to 15,596.20, 21,522.68 and 9,225.08 is: 12,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,596.20 : 21,522.68 = 9,225.08 : x
  2. Step 2: Convert to fraction form
    15,596.20/21,522.68 = 9,225.08/x
  3. Step 3: Cross multiply
    15,596.20x = 21,522.68 × 9,225.08
  4. Step 4: Simplify right side
    15,596.20x = 198,548,444.81
  5. Step 5: Solve for x
    x = 198,548,444.81/15,596.20
  6. Step 6: Final answer
    x = 12,730.57

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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.