Home / 18,905.07-26,081.97-18,875.91

Finding the Fourth Proportional to 18,905.07, 26,081.97 and 18,875.91

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Solution

The fourth proportional to 18,905.07, 26,081.97 and 18,875.91 is: 26,041.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,905.07 : 26,081.97 = 18,875.91 : x
  2. Step 2: Convert to fraction form
    18,905.07/26,081.97 = 18,875.91/x
  3. Step 3: Cross multiply
    18,905.07x = 26,081.97 × 18,875.91
  4. Step 4: Simplify right side
    18,905.07x = 492,320,918.34
  5. Step 5: Solve for x
    x = 492,320,918.34/18,905.07
  6. Step 6: Final answer
    x = 26,041.74

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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.