Home / 18,890.39-26,068.37-10,392.01

Finding the Fourth Proportional to 18,890.39, 26,068.37 and 10,392.01

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Solution

The fourth proportional to 18,890.39, 26,068.37 and 10,392.01 is: 14,340.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890.39 : 26,068.37 = 10,392.01 : x
  2. Step 2: Convert to fraction form
    18,890.39/26,068.37 = 10,392.01/x
  3. Step 3: Cross multiply
    18,890.39x = 26,068.37 × 10,392.01
  4. Step 4: Simplify right side
    18,890.39x = 270,902,709.76
  5. Step 5: Solve for x
    x = 270,902,709.76/18,890.39
  6. Step 6: Final answer
    x = 14,340.77

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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.