Home / 19,763.34-29,653.33-8,664.30

Finding the Fourth Proportional to 19,763.34, 29,653.33 and 8,664.30

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Solution

The fourth proportional to 19,763.34, 29,653.33 and 8,664.30 is: 13,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.34 : 29,653.33 = 8,664.30 : x
  2. Step 2: Convert to fraction form
    19,763.34/29,653.33 = 8,664.30/x
  3. Step 3: Cross multiply
    19,763.34x = 29,653.33 × 8,664.30
  4. Step 4: Simplify right side
    19,763.34x = 256,925,347.12
  5. Step 5: Solve for x
    x = 256,925,347.12/19,763.34
  6. Step 6: Final answer
    x = 13,000.10

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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.