Home / 16,816.86-25,192.08-9,779.18

Finding the Fourth Proportional to 16,816.86, 25,192.08 and 9,779.18

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Solution

The fourth proportional to 16,816.86, 25,192.08 and 9,779.18 is: 14,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.86 : 25,192.08 = 9,779.18 : x
  2. Step 2: Convert to fraction form
    16,816.86/25,192.08 = 9,779.18/x
  3. Step 3: Cross multiply
    16,816.86x = 25,192.08 × 9,779.18
  4. Step 4: Simplify right side
    16,816.86x = 246,357,758.93
  5. Step 5: Solve for x
    x = 246,357,758.93/16,816.86
  6. Step 6: Final answer
    x = 14,649.45

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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.