Home / 14,235.19-19,640.40-8,184.49

Finding the Fourth Proportional to 14,235.19, 19,640.40 and 8,184.49

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Solution

The fourth proportional to 14,235.19, 19,640.40 and 8,184.49 is: 11,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.19 : 19,640.40 = 8,184.49 : x
  2. Step 2: Convert to fraction form
    14,235.19/19,640.40 = 8,184.49/x
  3. Step 3: Cross multiply
    14,235.19x = 19,640.40 × 8,184.49
  4. Step 4: Simplify right side
    14,235.19x = 160,746,657.40
  5. Step 5: Solve for x
    x = 160,746,657.40/14,235.19
  6. Step 6: Final answer
    x = 11,292.20

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Half scale
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Double scale
Find fourth proportional to 14,236.19, 19,641.78 and 8,185.49
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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.