Home / 14,586.50-21,877.86-4,724.78

Finding the Fourth Proportional to 14,586.50, 21,877.86 and 4,724.78

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Solution

The fourth proportional to 14,586.50, 21,877.86 and 4,724.78 is: 7,086.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.50 : 21,877.86 = 4,724.78 : x
  2. Step 2: Convert to fraction form
    14,586.50/21,877.86 = 4,724.78/x
  3. Step 3: Cross multiply
    14,586.50x = 21,877.86 × 4,724.78
  4. Step 4: Simplify right side
    14,586.50x = 103,368,075.37
  5. Step 5: Solve for x
    x = 103,368,075.37/14,586.50
  6. Step 6: Final answer
    x = 7,086.56

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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.