Home / 14,317.20-21,477.84-4,457.47

Finding the Fourth Proportional to 14,317.20, 21,477.84 and 4,457.47

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Solution

The fourth proportional to 14,317.20, 21,477.84 and 4,457.47 is: 6,686.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.20 : 21,477.84 = 4,457.47 : x
  2. Step 2: Convert to fraction form
    14,317.20/21,477.84 = 4,457.47/x
  3. Step 3: Cross multiply
    14,317.20x = 21,477.84 × 4,457.47
  4. Step 4: Simplify right side
    14,317.20x = 95,736,827.46
  5. Step 5: Solve for x
    x = 95,736,827.46/14,317.20
  6. Step 6: Final answer
    x = 6,686.84

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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.