Home / 18,106.95-24,988.61-10,149.67

Finding the Fourth Proportional to 18,106.95, 24,988.61 and 10,149.67

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Solution

The fourth proportional to 18,106.95, 24,988.61 and 10,149.67 is: 14,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.95 : 24,988.61 = 10,149.67 : x
  2. Step 2: Convert to fraction form
    18,106.95/24,988.61 = 10,149.67/x
  3. Step 3: Cross multiply
    18,106.95x = 24,988.61 × 10,149.67
  4. Step 4: Simplify right side
    18,106.95x = 253,626,145.26
  5. Step 5: Solve for x
    x = 253,626,145.26/18,106.95
  6. Step 6: Final answer
    x = 14,007.12

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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.