Home / 19,641.02-27,086.00-15,157.67

Finding the Fourth Proportional to 19,641.02, 27,086.00 and 15,157.67

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Solution

The fourth proportional to 19,641.02, 27,086.00 and 15,157.67 is: 20,903.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641.02 : 27,086.00 = 15,157.67 : x
  2. Step 2: Convert to fraction form
    19,641.02/27,086.00 = 15,157.67/x
  3. Step 3: Cross multiply
    19,641.02x = 27,086.00 × 15,157.67
  4. Step 4: Simplify right side
    19,641.02x = 410,560,438.40
  5. Step 5: Solve for x
    x = 410,560,438.40/19,641.02
  6. Step 6: Final answer
    x = 20,903.22

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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.