Home / 14,318.28-21,477.33-4,457.57

Finding the Fourth Proportional to 14,318.28, 21,477.33 and 4,457.57

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Solution

The fourth proportional to 14,318.28, 21,477.33 and 4,457.57 is: 6,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.28 : 21,477.33 = 4,457.57 : x
  2. Step 2: Convert to fraction form
    14,318.28/21,477.33 = 4,457.57/x
  3. Step 3: Cross multiply
    14,318.28x = 21,477.33 × 4,457.57
  4. Step 4: Simplify right side
    14,318.28x = 95,736,594.50
  5. Step 5: Solve for x
    x = 95,736,594.50/14,318.28
  6. Step 6: Final answer
    x = 6,686.32

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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.