Home / 19,922.56-27,493.07-10,970.08

Finding the Fourth Proportional to 19,922.56, 27,493.07 and 10,970.08

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Solution

The fourth proportional to 19,922.56, 27,493.07 and 10,970.08 is: 15,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.56 : 27,493.07 = 10,970.08 : x
  2. Step 2: Convert to fraction form
    19,922.56/27,493.07 = 10,970.08/x
  3. Step 3: Cross multiply
    19,922.56x = 27,493.07 × 10,970.08
  4. Step 4: Simplify right side
    19,922.56x = 301,601,053.76
  5. Step 5: Solve for x
    x = 301,601,053.76/19,922.56
  6. Step 6: Final answer
    x = 15,138.67

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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.