Home / 14,606.02-20,155.86-8,637.64

Finding the Fourth Proportional to 14,606.02, 20,155.86 and 8,637.64

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Solution

The fourth proportional to 14,606.02, 20,155.86 and 8,637.64 is: 11,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606.02 : 20,155.86 = 8,637.64 : x
  2. Step 2: Convert to fraction form
    14,606.02/20,155.86 = 8,637.64/x
  3. Step 3: Cross multiply
    14,606.02x = 20,155.86 × 8,637.64
  4. Step 4: Simplify right side
    14,606.02x = 174,099,062.57
  5. Step 5: Solve for x
    x = 174,099,062.57/14,606.02
  6. Step 6: Final answer
    x = 11,919.68

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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.