Home / 14,417.64-19,898.30-8,451.69

Finding the Fourth Proportional to 14,417.64, 19,898.30 and 8,451.69

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Solution

The fourth proportional to 14,417.64, 19,898.30 and 8,451.69 is: 11,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.64 : 19,898.30 = 8,451.69 : x
  2. Step 2: Convert to fraction form
    14,417.64/19,898.30 = 8,451.69/x
  3. Step 3: Cross multiply
    14,417.64x = 19,898.30 × 8,451.69
  4. Step 4: Simplify right side
    14,417.64x = 168,174,263.13
  5. Step 5: Solve for x
    x = 168,174,263.13/14,417.64
  6. Step 6: Final answer
    x = 11,664.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.