Home / 16,911.99-25,368.29-9,940.93

Finding the Fourth Proportional to 16,911.99, 25,368.29 and 9,940.93

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Solution

The fourth proportional to 16,911.99, 25,368.29 and 9,940.93 is: 14,911.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.99 : 25,368.29 = 9,940.93 : x
  2. Step 2: Convert to fraction form
    16,911.99/25,368.29 = 9,940.93/x
  3. Step 3: Cross multiply
    16,911.99x = 25,368.29 × 9,940.93
  4. Step 4: Simplify right side
    16,911.99x = 252,184,319.26
  5. Step 5: Solve for x
    x = 252,184,319.26/16,911.99
  6. Step 6: Final answer
    x = 14,911.57

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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.