Home / 14,331.60-21,500.12-4,971.24

Finding the Fourth Proportional to 14,331.60, 21,500.12 and 4,971.24

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Solution

The fourth proportional to 14,331.60, 21,500.12 and 4,971.24 is: 7,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.60 : 21,500.12 = 4,971.24 : x
  2. Step 2: Convert to fraction form
    14,331.60/21,500.12 = 4,971.24/x
  3. Step 3: Cross multiply
    14,331.60x = 21,500.12 × 4,971.24
  4. Step 4: Simplify right side
    14,331.60x = 106,882,256.55
  5. Step 5: Solve for x
    x = 106,882,256.55/14,331.60
  6. Step 6: Final answer
    x = 7,457.80

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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.