Home / 14,457.66-21,688.14-5,572.64

Finding the Fourth Proportional to 14,457.66, 21,688.14 and 5,572.64

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Solution

The fourth proportional to 14,457.66, 21,688.14 and 5,572.64 is: 8,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.66 : 21,688.14 = 5,572.64 : x
  2. Step 2: Convert to fraction form
    14,457.66/21,688.14 = 5,572.64/x
  3. Step 3: Cross multiply
    14,457.66x = 21,688.14 × 5,572.64
  4. Step 4: Simplify right side
    14,457.66x = 120,860,088.05
  5. Step 5: Solve for x
    x = 120,860,088.05/14,457.66
  6. Step 6: Final answer
    x = 8,359.59

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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.