Home / 13,095.97-18,070.04-8,557.45

Finding the Fourth Proportional to 13,095.97, 18,070.04 and 8,557.45

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Solution

The fourth proportional to 13,095.97, 18,070.04 and 8,557.45 is: 11,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.97 : 18,070.04 = 8,557.45 : x
  2. Step 2: Convert to fraction form
    13,095.97/18,070.04 = 8,557.45/x
  3. Step 3: Cross multiply
    13,095.97x = 18,070.04 × 8,557.45
  4. Step 4: Simplify right side
    13,095.97x = 154,633,373.45
  5. Step 5: Solve for x
    x = 154,633,373.45/13,095.97
  6. Step 6: Final answer
    x = 11,807.71

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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.