Home / 14,690.94-20,273.93-7,977.00

Finding the Fourth Proportional to 14,690.94, 20,273.93 and 7,977.00

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Solution

The fourth proportional to 14,690.94, 20,273.93 and 7,977.00 is: 11,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.94 : 20,273.93 = 7,977.00 : x
  2. Step 2: Convert to fraction form
    14,690.94/20,273.93 = 7,977.00/x
  3. Step 3: Cross multiply
    14,690.94x = 20,273.93 × 7,977.00
  4. Step 4: Simplify right side
    14,690.94x = 161,725,210.24
  5. Step 5: Solve for x
    x = 161,725,210.24/14,690.94
  6. Step 6: Final answer
    x = 11,008.50

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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.