Home / 18,387.81-25,373.98-10,832.67

Finding the Fourth Proportional to 18,387.81, 25,373.98 and 10,832.67

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Solution

The fourth proportional to 18,387.81, 25,373.98 and 10,832.67 is: 14,948.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387.81 : 25,373.98 = 10,832.67 : x
  2. Step 2: Convert to fraction form
    18,387.81/25,373.98 = 10,832.67/x
  3. Step 3: Cross multiply
    18,387.81x = 25,373.98 × 10,832.67
  4. Step 4: Simplify right side
    18,387.81x = 274,868,102.98
  5. Step 5: Solve for x
    x = 274,868,102.98/18,387.81
  6. Step 6: Final answer
    x = 14,948.39

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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.