Home / 15,190.08-20,962.70-8,477.00

Finding the Fourth Proportional to 15,190.08, 20,962.70 and 8,477.00

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Solution

The fourth proportional to 15,190.08, 20,962.70 and 8,477.00 is: 11,698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190.08 : 20,962.70 = 8,477.00 : x
  2. Step 2: Convert to fraction form
    15,190.08/20,962.70 = 8,477.00/x
  3. Step 3: Cross multiply
    15,190.08x = 20,962.70 × 8,477.00
  4. Step 4: Simplify right side
    15,190.08x = 177,700,889.02
  5. Step 5: Solve for x
    x = 177,700,889.02/15,190.08
  6. Step 6: Final answer
    x = 11,698.48

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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.