Home / 15,944.22-22,009.04-13,697.08

Finding the Fourth Proportional to 15,944.22, 22,009.04 and 13,697.08

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Solution

The fourth proportional to 15,944.22, 22,009.04 and 13,697.08 is: 18,907.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,944.22 : 22,009.04 = 13,697.08 : x
  2. Step 2: Convert to fraction form
    15,944.22/22,009.04 = 13,697.08/x
  3. Step 3: Cross multiply
    15,944.22x = 22,009.04 × 13,697.08
  4. Step 4: Simplify right side
    15,944.22x = 301,459,581.60
  5. Step 5: Solve for x
    x = 301,459,581.60/15,944.22
  6. Step 6: Final answer
    x = 18,907.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.