Home / 19,420.17-26,799.75-11,036.67

Finding the Fourth Proportional to 19,420.17, 26,799.75 and 11,036.67

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Solution

The fourth proportional to 19,420.17, 26,799.75 and 11,036.67 is: 15,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420.17 : 26,799.75 = 11,036.67 : x
  2. Step 2: Convert to fraction form
    19,420.17/26,799.75 = 11,036.67/x
  3. Step 3: Cross multiply
    19,420.17x = 26,799.75 × 11,036.67
  4. Step 4: Simplify right side
    19,420.17x = 295,779,996.83
  5. Step 5: Solve for x
    x = 295,779,996.83/19,420.17
  6. Step 6: Final answer
    x = 15,230.56

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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.