Home / 15,995.28-22,075.76-11,533.80

Finding the Fourth Proportional to 15,995.28, 22,075.76 and 11,533.80

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Solution

The fourth proportional to 15,995.28, 22,075.76 and 11,533.80 is: 15,918.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.28 : 22,075.76 = 11,533.80 : x
  2. Step 2: Convert to fraction form
    15,995.28/22,075.76 = 11,533.80/x
  3. Step 3: Cross multiply
    15,995.28x = 22,075.76 × 11,533.80
  4. Step 4: Simplify right side
    15,995.28x = 254,617,400.69
  5. Step 5: Solve for x
    x = 254,617,400.69/15,995.28
  6. Step 6: Final answer
    x = 15,918.28

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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.