Home / 19,857.86-29,790.46-6,531.59

Finding the Fourth Proportional to 19,857.86, 29,790.46 and 6,531.59

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Solution

The fourth proportional to 19,857.86, 29,790.46 and 6,531.59 is: 9,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,857.86 : 29,790.46 = 6,531.59 : x
  2. Step 2: Convert to fraction form
    19,857.86/29,790.46 = 6,531.59/x
  3. Step 3: Cross multiply
    19,857.86x = 29,790.46 × 6,531.59
  4. Step 4: Simplify right side
    19,857.86x = 194,579,153.27
  5. Step 5: Solve for x
    x = 194,579,153.27/19,857.86
  6. Step 6: Final answer
    x = 9,798.60

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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.