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Finding the Fourth Proportional to 22,363.04, 30,864 and 14,808.32

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Solution

The fourth proportional to 22,363.04, 30,864 and 14,808.32 is: 20,437.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,363.04 : 30,864 = 14,808.32 : x
  2. Step 2: Convert to fraction form
    22,363.04/30,864 = 14,808.32/x
  3. Step 3: Cross multiply
    22,363.04x = 30,864 × 14,808.32
  4. Step 4: Simplify right side
    22,363.04x = 457,043,988.48
  5. Step 5: Solve for x
    x = 457,043,988.48/22,363.04
  6. Step 6: Final answer
    x = 20,437.47

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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.