Home / 14,975.06-20,666.52-8,603.64

Finding the Fourth Proportional to 14,975.06, 20,666.52 and 8,603.64

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Solution

The fourth proportional to 14,975.06, 20,666.52 and 8,603.64 is: 11,873.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975.06 : 20,666.52 = 8,603.64 : x
  2. Step 2: Convert to fraction form
    14,975.06/20,666.52 = 8,603.64/x
  3. Step 3: Cross multiply
    14,975.06x = 20,666.52 × 8,603.64
  4. Step 4: Simplify right side
    14,975.06x = 177,807,298.13
  5. Step 5: Solve for x
    x = 177,807,298.13/14,975.06
  6. Step 6: Final answer
    x = 11,873.57

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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.