Home / 19,630.06-29,429.60-9,763.96

Finding the Fourth Proportional to 19,630.06, 29,429.60 and 9,763.96

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Solution

The fourth proportional to 19,630.06, 29,429.60 and 9,763.96 is: 14,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.06 : 29,429.60 = 9,763.96 : x
  2. Step 2: Convert to fraction form
    19,630.06/29,429.60 = 9,763.96/x
  3. Step 3: Cross multiply
    19,630.06x = 29,429.60 × 9,763.96
  4. Step 4: Simplify right side
    19,630.06x = 287,349,314.82
  5. Step 5: Solve for x
    x = 287,349,314.82/19,630.06
  6. Step 6: Final answer
    x = 14,638.23

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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.