Home / 36,280.96-54,411.14-14,089.60

Finding the Fourth Proportional to 36,280.96, 54,411.14 and 14,089.60

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Solution

The fourth proportional to 36,280.96, 54,411.14 and 14,089.60 is: 21,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,280.96 : 54,411.14 = 14,089.60 : x
  2. Step 2: Convert to fraction form
    36,280.96/54,411.14 = 14,089.60/x
  3. Step 3: Cross multiply
    36,280.96x = 54,411.14 × 14,089.60
  4. Step 4: Simplify right side
    36,280.96x = 766,631,127.70
  5. Step 5: Solve for x
    x = 766,631,127.70/36,280.96
  6. Step 6: Final answer
    x = 21,130.40

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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.