Home / 18,105.95-24,987.23-10,148.67

Finding the Fourth Proportional to 18,105.95, 24,987.23 and 10,148.67

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Solution

The fourth proportional to 18,105.95, 24,987.23 and 10,148.67 is: 14,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105.95 : 24,987.23 = 10,148.67 : x
  2. Step 2: Convert to fraction form
    18,105.95/24,987.23 = 10,148.67/x
  3. Step 3: Cross multiply
    18,105.95x = 24,987.23 × 10,148.67
  4. Step 4: Simplify right side
    18,105.95x = 253,587,100.74
  5. Step 5: Solve for x
    x = 253,587,100.74/18,105.95
  6. Step 6: Final answer
    x = 14,005.74

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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.