Home / 14,047.17-21,070.89-5,725.50

Finding the Fourth Proportional to 14,047.17, 21,070.89 and 5,725.50

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Solution

The fourth proportional to 14,047.17, 21,070.89 and 5,725.50 is: 8,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.17 : 21,070.89 = 5,725.50 : x
  2. Step 2: Convert to fraction form
    14,047.17/21,070.89 = 5,725.50/x
  3. Step 3: Cross multiply
    14,047.17x = 21,070.89 × 5,725.50
  4. Step 4: Simplify right side
    14,047.17x = 120,641,380.70
  5. Step 5: Solve for x
    x = 120,641,380.70/14,047.17
  6. Step 6: Final answer
    x = 8,588.31

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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.