Home / 19,742.47-27,267.23-14,388.77

Finding the Fourth Proportional to 19,742.47, 27,267.23 and 14,388.77

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Solution

The fourth proportional to 19,742.47, 27,267.23 and 14,388.77 is: 19,873.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.47 : 27,267.23 = 14,388.77 : x
  2. Step 2: Convert to fraction form
    19,742.47/27,267.23 = 14,388.77/x
  3. Step 3: Cross multiply
    19,742.47x = 27,267.23 × 14,388.77
  4. Step 4: Simplify right side
    19,742.47x = 392,342,005.15
  5. Step 5: Solve for x
    x = 392,342,005.15/19,742.47
  6. Step 6: Final answer
    x = 19,873.00

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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.