Home / 13,075.07-19,622.32-7,243.07

Finding the Fourth Proportional to 13,075.07, 19,622.32 and 7,243.07

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Solution

The fourth proportional to 13,075.07, 19,622.32 and 7,243.07 is: 10,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.07 : 19,622.32 = 7,243.07 : x
  2. Step 2: Convert to fraction form
    13,075.07/19,622.32 = 7,243.07/x
  3. Step 3: Cross multiply
    13,075.07x = 19,622.32 × 7,243.07
  4. Step 4: Simplify right side
    13,075.07x = 142,125,721.10
  5. Step 5: Solve for x
    x = 142,125,721.10/13,075.07
  6. Step 6: Final answer
    x = 10,869.98

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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.