Home / 20,652.14-28,533.40-14,392.46

Finding the Fourth Proportional to 20,652.14, 28,533.40 and 14,392.46

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Solution

The fourth proportional to 20,652.14, 28,533.40 and 14,392.46 is: 19,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,652.14 : 28,533.40 = 14,392.46 : x
  2. Step 2: Convert to fraction form
    20,652.14/28,533.40 = 14,392.46/x
  3. Step 3: Cross multiply
    20,652.14x = 28,533.40 × 14,392.46
  4. Step 4: Simplify right side
    20,652.14x = 410,665,818.16
  5. Step 5: Solve for x
    x = 410,665,818.16/20,652.14
  6. Step 6: Final answer
    x = 19,884.90

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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.