Home / 14,160.95-21,207.27-11,189.06

Finding the Fourth Proportional to 14,160.95, 21,207.27 and 11,189.06

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Solution

The fourth proportional to 14,160.95, 21,207.27 and 11,189.06 is: 16,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.95 : 21,207.27 = 11,189.06 : x
  2. Step 2: Convert to fraction form
    14,160.95/21,207.27 = 11,189.06/x
  3. Step 3: Cross multiply
    14,160.95x = 21,207.27 × 11,189.06
  4. Step 4: Simplify right side
    14,160.95x = 237,289,416.47
  5. Step 5: Solve for x
    x = 237,289,416.47/14,160.95
  6. Step 6: Final answer
    x = 16,756.60

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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.