Home / 14,438.21-21,688.02-13,595.54

Finding the Fourth Proportional to 14,438.21, 21,688.02 and 13,595.54

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Solution

The fourth proportional to 14,438.21, 21,688.02 and 13,595.54 is: 20,422.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.21 : 21,688.02 = 13,595.54 : x
  2. Step 2: Convert to fraction form
    14,438.21/21,688.02 = 13,595.54/x
  3. Step 3: Cross multiply
    14,438.21x = 21,688.02 × 13,595.54
  4. Step 4: Simplify right side
    14,438.21x = 294,860,234.99
  5. Step 5: Solve for x
    x = 294,860,234.99/14,438.21
  6. Step 6: Final answer
    x = 20,422.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.