Home / 13,040.49-19,555.82-4,718.45

Finding the Fourth Proportional to 13,040.49, 19,555.82 and 4,718.45

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Solution

The fourth proportional to 13,040.49, 19,555.82 and 4,718.45 is: 7,075.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.49 : 19,555.82 = 4,718.45 : x
  2. Step 2: Convert to fraction form
    13,040.49/19,555.82 = 4,718.45/x
  3. Step 3: Cross multiply
    13,040.49x = 19,555.82 × 4,718.45
  4. Step 4: Simplify right side
    13,040.49x = 92,273,037.51
  5. Step 5: Solve for x
    x = 92,273,037.51/13,040.49
  6. Step 6: Final answer
    x = 7,075.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.