Home / 14,055.32-19,397.10-8,087.90

Finding the Fourth Proportional to 14,055.32, 19,397.10 and 8,087.90

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Solution

The fourth proportional to 14,055.32, 19,397.10 and 8,087.90 is: 11,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.32 : 19,397.10 = 8,087.90 : x
  2. Step 2: Convert to fraction form
    14,055.32/19,397.10 = 8,087.90/x
  3. Step 3: Cross multiply
    14,055.32x = 19,397.10 × 8,087.90
  4. Step 4: Simplify right side
    14,055.32x = 156,881,805.09
  5. Step 5: Solve for x
    x = 156,881,805.09/14,055.32
  6. Step 6: Final answer
    x = 11,161.74

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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.