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Finding the Fourth Proportional to 14,876.40, 22,271.40 and 14,444.40

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Solution

The fourth proportional to 14,876.40, 22,271.40 and 14,444.40 is: 21,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876.40 : 22,271.40 = 14,444.40 : x
  2. Step 2: Convert to fraction form
    14,876.40/22,271.40 = 14,444.40/x
  3. Step 3: Cross multiply
    14,876.40x = 22,271.40 × 14,444.40
  4. Step 4: Simplify right side
    14,876.40x = 321,697,010.16
  5. Step 5: Solve for x
    x = 321,697,010.16/14,876.40
  6. Step 6: Final answer
    x = 21,624.65

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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.