Home / 14,150.03-21,228.12-4,290.08

Finding the Fourth Proportional to 14,150.03, 21,228.12 and 4,290.08

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Solution

The fourth proportional to 14,150.03, 21,228.12 and 4,290.08 is: 6,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.03 : 21,228.12 = 4,290.08 : x
  2. Step 2: Convert to fraction form
    14,150.03/21,228.12 = 4,290.08/x
  3. Step 3: Cross multiply
    14,150.03x = 21,228.12 × 4,290.08
  4. Step 4: Simplify right side
    14,150.03x = 91,070,386.12
  5. Step 5: Solve for x
    x = 91,070,386.12/14,150.03
  6. Step 6: Final answer
    x = 6,436.05

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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.