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Finding the Fourth Proportional to 15,300.50, 22,816.08 and 14,088.74

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Solution

The fourth proportional to 15,300.50, 22,816.08 and 14,088.74 is: 21,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,300.50 : 22,816.08 = 14,088.74 : x
  2. Step 2: Convert to fraction form
    15,300.50/22,816.08 = 14,088.74/x
  3. Step 3: Cross multiply
    15,300.50x = 22,816.08 × 14,088.74
  4. Step 4: Simplify right side
    15,300.50x = 321,449,704.86
  5. Step 5: Solve for x
    x = 321,449,704.86/15,300.50
  6. Step 6: Final answer
    x = 21,009.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.