Home / 22,099.16-30,495.12-12,539.18

Finding the Fourth Proportional to 22,099.16, 30,495.12 and 12,539.18

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Solution

The fourth proportional to 22,099.16, 30,495.12 and 12,539.18 is: 17,303.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,099.16 : 30,495.12 = 12,539.18 : x
  2. Step 2: Convert to fraction form
    22,099.16/30,495.12 = 12,539.18/x
  3. Step 3: Cross multiply
    22,099.16x = 30,495.12 × 12,539.18
  4. Step 4: Simplify right side
    22,099.16x = 382,383,798.80
  5. Step 5: Solve for x
    x = 382,383,798.80/22,099.16
  6. Step 6: Final answer
    x = 17,303.09

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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.