Home / 13,957.02-19,260.72-7,669.80

Finding the Fourth Proportional to 13,957.02, 19,260.72 and 7,669.80

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Solution

The fourth proportional to 13,957.02, 19,260.72 and 7,669.80 is: 10,584.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.02 : 19,260.72 = 7,669.80 : x
  2. Step 2: Convert to fraction form
    13,957.02/19,260.72 = 7,669.80/x
  3. Step 3: Cross multiply
    13,957.02x = 19,260.72 × 7,669.80
  4. Step 4: Simplify right side
    13,957.02x = 147,725,870.26
  5. Step 5: Solve for x
    x = 147,725,870.26/13,957.02
  6. Step 6: Final answer
    x = 10,584.34

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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.