Home / 14,875.83-20,528.96-8,161.07

Finding the Fourth Proportional to 14,875.83, 20,528.96 and 8,161.07

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Solution

The fourth proportional to 14,875.83, 20,528.96 and 8,161.07 is: 11,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.83 : 20,528.96 = 8,161.07 : x
  2. Step 2: Convert to fraction form
    14,875.83/20,528.96 = 8,161.07/x
  3. Step 3: Cross multiply
    14,875.83x = 20,528.96 × 8,161.07
  4. Step 4: Simplify right side
    14,875.83x = 167,538,136.14
  5. Step 5: Solve for x
    x = 167,538,136.14/14,875.83
  6. Step 6: Final answer
    x = 11,262.44

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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.