Home / 18,875.22-26,047.17-10,491.54

Finding the Fourth Proportional to 18,875.22, 26,047.17 and 10,491.54

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Solution

The fourth proportional to 18,875.22, 26,047.17 and 10,491.54 is: 14,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.22 : 26,047.17 = 10,491.54 : x
  2. Step 2: Convert to fraction form
    18,875.22/26,047.17 = 10,491.54/x
  3. Step 3: Cross multiply
    18,875.22x = 26,047.17 × 10,491.54
  4. Step 4: Simplify right side
    18,875.22x = 273,274,925.94
  5. Step 5: Solve for x
    x = 273,274,925.94/18,875.22
  6. Step 6: Final answer
    x = 14,477.97

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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.