Home / 14,946.36-20,621.16-8,657.52

Finding the Fourth Proportional to 14,946.36, 20,621.16 and 8,657.52

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Solution

The fourth proportional to 14,946.36, 20,621.16 and 8,657.52 is: 11,944.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,946.36 : 20,621.16 = 8,657.52 : x
  2. Step 2: Convert to fraction form
    14,946.36/20,621.16 = 8,657.52/x
  3. Step 3: Cross multiply
    14,946.36x = 20,621.16 × 8,657.52
  4. Step 4: Simplify right side
    14,946.36x = 178,528,105.12
  5. Step 5: Solve for x
    x = 178,528,105.12/14,946.36
  6. Step 6: Final answer
    x = 11,944.59

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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.