Home / 15,387.93-21,232.67-9,098.01

Finding the Fourth Proportional to 15,387.93, 21,232.67 and 9,098.01

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Solution

The fourth proportional to 15,387.93, 21,232.67 and 9,098.01 is: 12,553.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,387.93 : 21,232.67 = 9,098.01 : x
  2. Step 2: Convert to fraction form
    15,387.93/21,232.67 = 9,098.01/x
  3. Step 3: Cross multiply
    15,387.93x = 21,232.67 × 9,098.01
  4. Step 4: Simplify right side
    15,387.93x = 193,174,998.50
  5. Step 5: Solve for x
    x = 193,174,998.50/15,387.93
  6. Step 6: Final answer
    x = 12,553.67

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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.