Home / 14,460.68-19,955.60-8,087.20

Finding the Fourth Proportional to 14,460.68, 19,955.60 and 8,087.20

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Solution

The fourth proportional to 14,460.68, 19,955.60 and 8,087.20 is: 11,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,460.68 : 19,955.60 = 8,087.20 : x
  2. Step 2: Convert to fraction form
    14,460.68/19,955.60 = 8,087.20/x
  3. Step 3: Cross multiply
    14,460.68x = 19,955.60 × 8,087.20
  4. Step 4: Simplify right side
    14,460.68x = 161,384,908.10
  5. Step 5: Solve for x
    x = 161,384,908.10/14,460.68
  6. Step 6: Final answer
    x = 11,160.26

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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.