Home / 19,646.28-27,085.86-16,276.68

Finding the Fourth Proportional to 19,646.28, 27,085.86 and 16,276.68

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Solution

The fourth proportional to 19,646.28, 27,085.86 and 16,276.68 is: 22,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646.28 : 27,085.86 = 16,276.68 : x
  2. Step 2: Convert to fraction form
    19,646.28/27,085.86 = 16,276.68/x
  3. Step 3: Cross multiply
    19,646.28x = 27,085.86 × 16,276.68
  4. Step 4: Simplify right side
    19,646.28x = 440,867,875.74
  5. Step 5: Solve for x
    x = 440,867,875.74/19,646.28
  6. Step 6: Final answer
    x = 22,440.27

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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.