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Finding the Fourth Proportional to 14,501.85, 21,557.19 and 14,076.19

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Solution

The fourth proportional to 14,501.85, 21,557.19 and 14,076.19 is: 20,924.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501.85 : 21,557.19 = 14,076.19 : x
  2. Step 2: Convert to fraction form
    14,501.85/21,557.19 = 14,076.19/x
  3. Step 3: Cross multiply
    14,501.85x = 21,557.19 × 14,076.19
  4. Step 4: Simplify right side
    14,501.85x = 303,443,182.04
  5. Step 5: Solve for x
    x = 303,443,182.04/14,501.85
  6. Step 6: Final answer
    x = 20,924.45

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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.