Home / 14,600.64-20,128.52-10,116.68

Finding the Fourth Proportional to 14,600.64, 20,128.52 and 10,116.68

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Solution

The fourth proportional to 14,600.64, 20,128.52 and 10,116.68 is: 13,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,600.64 : 20,128.52 = 10,116.68 : x
  2. Step 2: Convert to fraction form
    14,600.64/20,128.52 = 10,116.68/x
  3. Step 3: Cross multiply
    14,600.64x = 20,128.52 × 10,116.68
  4. Step 4: Simplify right side
    14,600.64x = 203,633,795.71
  5. Step 5: Solve for x
    x = 203,633,795.71/14,600.64
  6. Step 6: Final answer
    x = 13,946.91

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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.