Home / 18,214.18-25,136.03-10,256.67

Finding the Fourth Proportional to 18,214.18, 25,136.03 and 10,256.67

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Solution

The fourth proportional to 18,214.18, 25,136.03 and 10,256.67 is: 14,154.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.18 : 25,136.03 = 10,256.67 : x
  2. Step 2: Convert to fraction form
    18,214.18/25,136.03 = 10,256.67/x
  3. Step 3: Cross multiply
    18,214.18x = 25,136.03 × 10,256.67
  4. Step 4: Simplify right side
    18,214.18x = 257,811,964.82
  5. Step 5: Solve for x
    x = 257,811,964.82/18,214.18
  6. Step 6: Final answer
    x = 14,154.46

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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.