Home / 19,466.16-29,221.08-7,787.52

Finding the Fourth Proportional to 19,466.16, 29,221.08 and 7,787.52

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Solution

The fourth proportional to 19,466.16, 29,221.08 and 7,787.52 is: 11,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,466.16 : 29,221.08 = 7,787.52 : x
  2. Step 2: Convert to fraction form
    19,466.16/29,221.08 = 7,787.52/x
  3. Step 3: Cross multiply
    19,466.16x = 29,221.08 × 7,787.52
  4. Step 4: Simplify right side
    19,466.16x = 227,559,744.92
  5. Step 5: Solve for x
    x = 227,559,744.92/19,466.16
  6. Step 6: Final answer
    x = 11,690.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.