Home / 22,075.76-33,113.60-15,531.20

Finding the Fourth Proportional to 22,075.76, 33,113.60 and 15,531.20

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Solution

The fourth proportional to 22,075.76, 33,113.60 and 15,531.20 is: 23,296.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,075.76 : 33,113.60 = 15,531.20 : x
  2. Step 2: Convert to fraction form
    22,075.76/33,113.60 = 15,531.20/x
  3. Step 3: Cross multiply
    22,075.76x = 33,113.60 × 15,531.20
  4. Step 4: Simplify right side
    22,075.76x = 514,293,944.32
  5. Step 5: Solve for x
    x = 514,293,944.32/22,075.76
  6. Step 6: Final answer
    x = 23,296.77

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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.