Home / 14,194.90-19,588.74-7,907.28

Finding the Fourth Proportional to 14,194.90, 19,588.74 and 7,907.28

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Solution

The fourth proportional to 14,194.90, 19,588.74 and 7,907.28 is: 10,911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,194.90 : 19,588.74 = 7,907.28 : x
  2. Step 2: Convert to fraction form
    14,194.90/19,588.74 = 7,907.28/x
  3. Step 3: Cross multiply
    14,194.90x = 19,588.74 × 7,907.28
  4. Step 4: Simplify right side
    14,194.90x = 154,893,652.03
  5. Step 5: Solve for x
    x = 154,893,652.03/14,194.90
  6. Step 6: Final answer
    x = 10,911.92

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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.