Home / 54,305.51-81,458.36-14,859.68

Finding the Fourth Proportional to 54,305.51, 81,458.36 and 14,859.68

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Solution

The fourth proportional to 54,305.51, 81,458.36 and 14,859.68 is: 22,289.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,305.51 : 81,458.36 = 14,859.68 : x
  2. Step 2: Convert to fraction form
    54,305.51/81,458.36 = 14,859.68/x
  3. Step 3: Cross multiply
    54,305.51x = 81,458.36 × 14,859.68
  4. Step 4: Simplify right side
    54,305.51x = 1,210,445,088.63
  5. Step 5: Solve for x
    x = 1,210,445,088.63/54,305.51
  6. Step 6: Final answer
    x = 22,289.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.