Home / 14,091.40-19,445.88-7,803.64

Finding the Fourth Proportional to 14,091.40, 19,445.88 and 7,803.64

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Solution

The fourth proportional to 14,091.40, 19,445.88 and 7,803.64 is: 10,768.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.40 : 19,445.88 = 7,803.64 : x
  2. Step 2: Convert to fraction form
    14,091.40/19,445.88 = 7,803.64/x
  3. Step 3: Cross multiply
    14,091.40x = 19,445.88 × 7,803.64
  4. Step 4: Simplify right side
    14,091.40x = 151,748,647.00
  5. Step 5: Solve for x
    x = 151,748,647.00/14,091.40
  6. Step 6: Final answer
    x = 10,768.88

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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.