Home / 13,866.48-20,798.88-6,075.28

Finding the Fourth Proportional to 13,866.48, 20,798.88 and 6,075.28

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Solution

The fourth proportional to 13,866.48, 20,798.88 and 6,075.28 is: 9,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.48 : 20,798.88 = 6,075.28 : x
  2. Step 2: Convert to fraction form
    13,866.48/20,798.88 = 6,075.28/x
  3. Step 3: Cross multiply
    13,866.48x = 20,798.88 × 6,075.28
  4. Step 4: Simplify right side
    13,866.48x = 126,359,019.69
  5. Step 5: Solve for x
    x = 126,359,019.69/13,866.48
  6. Step 6: Final answer
    x = 9,112.55

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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.