Home / 14,877.99-20,531.62-8,590.36

Finding the Fourth Proportional to 14,877.99, 20,531.62 and 8,590.36

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Solution

The fourth proportional to 14,877.99, 20,531.62 and 8,590.36 is: 11,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,877.99 : 20,531.62 = 8,590.36 : x
  2. Step 2: Convert to fraction form
    14,877.99/20,531.62 = 8,590.36/x
  3. Step 3: Cross multiply
    14,877.99x = 20,531.62 × 8,590.36
  4. Step 4: Simplify right side
    14,877.99x = 176,374,043.59
  5. Step 5: Solve for x
    x = 176,374,043.59/14,877.99
  6. Step 6: Final answer
    x = 11,854.70

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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.