Home / 14,953.02-20,628.32-8,661.75

Finding the Fourth Proportional to 14,953.02, 20,628.32 and 8,661.75

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Solution

The fourth proportional to 14,953.02, 20,628.32 and 8,661.75 is: 11,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953.02 : 20,628.32 = 8,661.75 : x
  2. Step 2: Convert to fraction form
    14,953.02/20,628.32 = 8,661.75/x
  3. Step 3: Cross multiply
    14,953.02x = 20,628.32 × 8,661.75
  4. Step 4: Simplify right side
    14,953.02x = 178,677,307.45
  5. Step 5: Solve for x
    x = 178,677,307.45/14,953.02
  6. Step 6: Final answer
    x = 11,949.25

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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.