Home / 19,440.96-26,805.12-13,477.76

Finding the Fourth Proportional to 19,440.96, 26,805.12 and 13,477.76

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Solution

The fourth proportional to 19,440.96, 26,805.12 and 13,477.76 is: 18,583.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.96 : 26,805.12 = 13,477.76 : x
  2. Step 2: Convert to fraction form
    19,440.96/26,805.12 = 13,477.76/x
  3. Step 3: Cross multiply
    19,440.96x = 26,805.12 × 13,477.76
  4. Step 4: Simplify right side
    19,440.96x = 361,272,974.13
  5. Step 5: Solve for x
    x = 361,272,974.13/19,440.96
  6. Step 6: Final answer
    x = 18,583.08

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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.