Home / 19,410.48-26,765.16-13,111.92

Finding the Fourth Proportional to 19,410.48, 26,765.16 and 13,111.92

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Solution

The fourth proportional to 19,410.48, 26,765.16 and 13,111.92 is: 18,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.48 : 26,765.16 = 13,111.92 : x
  2. Step 2: Convert to fraction form
    19,410.48/26,765.16 = 13,111.92/x
  3. Step 3: Cross multiply
    19,410.48x = 26,765.16 × 13,111.92
  4. Step 4: Simplify right side
    19,410.48x = 350,942,636.71
  5. Step 5: Solve for x
    x = 350,942,636.71/19,410.48
  6. Step 6: Final answer
    x = 18,080.06

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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.