Home / 18,607.50-25,678.35-10,224.54

Finding the Fourth Proportional to 18,607.50, 25,678.35 and 10,224.54

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Solution

The fourth proportional to 18,607.50, 25,678.35 and 10,224.54 is: 14,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.50 : 25,678.35 = 10,224.54 : x
  2. Step 2: Convert to fraction form
    18,607.50/25,678.35 = 10,224.54/x
  3. Step 3: Cross multiply
    18,607.50x = 25,678.35 × 10,224.54
  4. Step 4: Simplify right side
    18,607.50x = 262,549,316.71
  5. Step 5: Solve for x
    x = 262,549,316.71/18,607.50
  6. Step 6: Final answer
    x = 14,109.87

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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.