Home / 19,281.09-28,841.66-18,100.11

Finding the Fourth Proportional to 19,281.09, 28,841.66 and 18,100.11

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Solution

The fourth proportional to 19,281.09, 28,841.66 and 18,100.11 is: 27,075.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.09 : 28,841.66 = 18,100.11 : x
  2. Step 2: Convert to fraction form
    19,281.09/28,841.66 = 18,100.11/x
  3. Step 3: Cross multiply
    19,281.09x = 28,841.66 × 18,100.11
  4. Step 4: Simplify right side
    19,281.09x = 522,037,218.58
  5. Step 5: Solve for x
    x = 522,037,218.58/19,281.09
  6. Step 6: Final answer
    x = 27,075.09

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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.