Home / 13,075.40-19,615.12-4,757.52

Finding the Fourth Proportional to 13,075.40, 19,615.12 and 4,757.52

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Solution

The fourth proportional to 13,075.40, 19,615.12 and 4,757.52 is: 7,137.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.40 : 19,615.12 = 4,757.52 : x
  2. Step 2: Convert to fraction form
    13,075.40/19,615.12 = 4,757.52/x
  3. Step 3: Cross multiply
    13,075.40x = 19,615.12 × 4,757.52
  4. Step 4: Simplify right side
    13,075.40x = 93,319,325.70
  5. Step 5: Solve for x
    x = 93,319,325.70/13,075.40
  6. Step 6: Final answer
    x = 7,137.01

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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.