Home / 14,225.05-21,337.70-5,457.88

Finding the Fourth Proportional to 14,225.05, 21,337.70 and 5,457.88

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Solution

The fourth proportional to 14,225.05, 21,337.70 and 5,457.88 is: 8,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.05 : 21,337.70 = 5,457.88 : x
  2. Step 2: Convert to fraction form
    14,225.05/21,337.70 = 5,457.88/x
  3. Step 3: Cross multiply
    14,225.05x = 21,337.70 × 5,457.88
  4. Step 4: Simplify right side
    14,225.05x = 116,458,606.08
  5. Step 5: Solve for x
    x = 116,458,606.08/14,225.05
  6. Step 6: Final answer
    x = 8,186.87

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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.