Home / 14,047.80-21,059.46-5,280.36

Finding the Fourth Proportional to 14,047.80, 21,059.46 and 5,280.36

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Solution

The fourth proportional to 14,047.80, 21,059.46 and 5,280.36 is: 7,915.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.80 : 21,059.46 = 5,280.36 : x
  2. Step 2: Convert to fraction form
    14,047.80/21,059.46 = 5,280.36/x
  3. Step 3: Cross multiply
    14,047.80x = 21,059.46 × 5,280.36
  4. Step 4: Simplify right side
    14,047.80x = 111,201,530.21
  5. Step 5: Solve for x
    x = 111,201,530.21/14,047.80
  6. Step 6: Final answer
    x = 7,915.94

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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.