Home / 14,270.19-21,411.42-5,511.25

Finding the Fourth Proportional to 14,270.19, 21,411.42 and 5,511.25

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Solution

The fourth proportional to 14,270.19, 21,411.42 and 5,511.25 is: 8,269.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.19 : 21,411.42 = 5,511.25 : x
  2. Step 2: Convert to fraction form
    14,270.19/21,411.42 = 5,511.25/x
  3. Step 3: Cross multiply
    14,270.19x = 21,411.42 × 5,511.25
  4. Step 4: Simplify right side
    14,270.19x = 118,003,688.48
  5. Step 5: Solve for x
    x = 118,003,688.48/14,270.19
  6. Step 6: Final answer
    x = 8,269.24

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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.