Home / 16,971.93-25,421.04-10,378.13

Finding the Fourth Proportional to 16,971.93, 25,421.04 and 10,378.13

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Solution

The fourth proportional to 16,971.93, 25,421.04 and 10,378.13 is: 15,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.93 : 25,421.04 = 10,378.13 : x
  2. Step 2: Convert to fraction form
    16,971.93/25,421.04 = 10,378.13/x
  3. Step 3: Cross multiply
    16,971.93x = 25,421.04 × 10,378.13
  4. Step 4: Simplify right side
    16,971.93x = 263,822,730.75
  5. Step 5: Solve for x
    x = 263,822,730.75/16,971.93
  6. Step 6: Final answer
    x = 15,544.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.