Home / 13,250.01-18,285.36-7,281.99

Finding the Fourth Proportional to 13,250.01, 18,285.36 and 7,281.99

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Solution

The fourth proportional to 13,250.01, 18,285.36 and 7,281.99 is: 10,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.01 : 18,285.36 = 7,281.99 : x
  2. Step 2: Convert to fraction form
    13,250.01/18,285.36 = 7,281.99/x
  3. Step 3: Cross multiply
    13,250.01x = 18,285.36 × 7,281.99
  4. Step 4: Simplify right side
    13,250.01x = 133,153,808.67
  5. Step 5: Solve for x
    x = 133,153,808.67/13,250.01
  6. Step 6: Final answer
    x = 10,049.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.