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Finding the Fourth Proportional to 14,940.90, 22,363.95 and 8,347.10

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Solution

The fourth proportional to 14,940.90, 22,363.95 and 8,347.10 is: 12,494.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.90 : 22,363.95 = 8,347.10 : x
  2. Step 2: Convert to fraction form
    14,940.90/22,363.95 = 8,347.10/x
  3. Step 3: Cross multiply
    14,940.90x = 22,363.95 × 8,347.10
  4. Step 4: Simplify right side
    14,940.90x = 186,674,027.53
  5. Step 5: Solve for x
    x = 186,674,027.53/14,940.90
  6. Step 6: Final answer
    x = 12,494.16

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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.