Home / 14,905.02-20,569.26-8,191.05

Finding the Fourth Proportional to 14,905.02, 20,569.26 and 8,191.05

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Solution

The fourth proportional to 14,905.02, 20,569.26 and 8,191.05 is: 11,303.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.02 : 20,569.26 = 8,191.05 : x
  2. Step 2: Convert to fraction form
    14,905.02/20,569.26 = 8,191.05/x
  3. Step 3: Cross multiply
    14,905.02x = 20,569.26 × 8,191.05
  4. Step 4: Simplify right side
    14,905.02x = 168,483,837.12
  5. Step 5: Solve for x
    x = 168,483,837.12/14,905.02
  6. Step 6: Final answer
    x = 11,303.83

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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.