Home / 14,889.42-20,533.68-10,116.51

Finding the Fourth Proportional to 14,889.42, 20,533.68 and 10,116.51

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Solution

The fourth proportional to 14,889.42, 20,533.68 and 10,116.51 is: 13,951.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,889.42 : 20,533.68 = 10,116.51 : x
  2. Step 2: Convert to fraction form
    14,889.42/20,533.68 = 10,116.51/x
  3. Step 3: Cross multiply
    14,889.42x = 20,533.68 × 10,116.51
  4. Step 4: Simplify right side
    14,889.42x = 207,729,102.06
  5. Step 5: Solve for x
    x = 207,729,102.06/14,889.42
  6. Step 6: Final answer
    x = 13,951.46

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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.