Home / 22,075.55-33,036.95-13,638.59

Finding the Fourth Proportional to 22,075.55, 33,036.95 and 13,638.59

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Solution

The fourth proportional to 22,075.55, 33,036.95 and 13,638.59 is: 20,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,075.55 : 33,036.95 = 13,638.59 : x
  2. Step 2: Convert to fraction form
    22,075.55/33,036.95 = 13,638.59/x
  3. Step 3: Cross multiply
    22,075.55x = 33,036.95 × 13,638.59
  4. Step 4: Simplify right side
    22,075.55x = 450,577,347.71
  5. Step 5: Solve for x
    x = 450,577,347.71/22,075.55
  6. Step 6: Final answer
    x = 20,410.70

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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.