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Finding the Fourth Proportional to 14,030.91, 19,363.46 and 8,364.15

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Solution

The fourth proportional to 14,030.91, 19,363.46 and 8,364.15 is: 11,543.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.91 : 19,363.46 = 8,364.15 : x
  2. Step 2: Convert to fraction form
    14,030.91/19,363.46 = 8,364.15/x
  3. Step 3: Cross multiply
    14,030.91x = 19,363.46 × 8,364.15
  4. Step 4: Simplify right side
    14,030.91x = 161,958,842.14
  5. Step 5: Solve for x
    x = 161,958,842.14/14,030.91
  6. Step 6: Final answer
    x = 11,543.00

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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.