Home / 14,457.15-21,682.40-6,658.47

Finding the Fourth Proportional to 14,457.15, 21,682.40 and 6,658.47

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Solution

The fourth proportional to 14,457.15, 21,682.40 and 6,658.47 is: 9,986.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.15 : 21,682.40 = 6,658.47 : x
  2. Step 2: Convert to fraction form
    14,457.15/21,682.40 = 6,658.47/x
  3. Step 3: Cross multiply
    14,457.15x = 21,682.40 × 6,658.47
  4. Step 4: Simplify right side
    14,457.15x = 144,371,576.64
  5. Step 5: Solve for x
    x = 144,371,576.64/14,457.15
  6. Step 6: Final answer
    x = 9,986.17

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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.