Home / 45,624.68-68,438.96-14,459.24

Finding the Fourth Proportional to 45,624.68, 68,438.96 and 14,459.24

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Solution

The fourth proportional to 45,624.68, 68,438.96 and 14,459.24 is: 21,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,624.68 : 68,438.96 = 14,459.24 : x
  2. Step 2: Convert to fraction form
    45,624.68/68,438.96 = 14,459.24/x
  3. Step 3: Cross multiply
    45,624.68x = 68,438.96 × 14,459.24
  4. Step 4: Simplify right side
    45,624.68x = 989,575,347.99
  5. Step 5: Solve for x
    x = 989,575,347.99/45,624.68
  6. Step 6: Final answer
    x = 21,689.47

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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.