Home / 13,803.28-19,048.98-7,754.58

Finding the Fourth Proportional to 13,803.28, 19,048.98 and 7,754.58

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Solution

The fourth proportional to 13,803.28, 19,048.98 and 7,754.58 is: 10,701.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.28 : 19,048.98 = 7,754.58 : x
  2. Step 2: Convert to fraction form
    13,803.28/19,048.98 = 7,754.58/x
  3. Step 3: Cross multiply
    13,803.28x = 19,048.98 × 7,754.58
  4. Step 4: Simplify right side
    13,803.28x = 147,716,839.33
  5. Step 5: Solve for x
    x = 147,716,839.33/13,803.28
  6. Step 6: Final answer
    x = 10,701.58

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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.