Home / 14,225.72-19,641.90-9,192.92

Finding the Fourth Proportional to 14,225.72, 19,641.90 and 9,192.92

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Solution

The fourth proportional to 14,225.72, 19,641.90 and 9,192.92 is: 12,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.72 : 19,641.90 = 9,192.92 : x
  2. Step 2: Convert to fraction form
    14,225.72/19,641.90 = 9,192.92/x
  3. Step 3: Cross multiply
    14,225.72x = 19,641.90 × 9,192.92
  4. Step 4: Simplify right side
    14,225.72x = 180,566,415.35
  5. Step 5: Solve for x
    x = 180,566,415.35/14,225.72
  6. Step 6: Final answer
    x = 12,692.95

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Double scale
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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.