Home / 19,164.80-26,451.36-11,208.98

Finding the Fourth Proportional to 19,164.80, 26,451.36 and 11,208.98

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Solution

The fourth proportional to 19,164.80, 26,451.36 and 11,208.98 is: 15,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.80 : 26,451.36 = 11,208.98 : x
  2. Step 2: Convert to fraction form
    19,164.80/26,451.36 = 11,208.98/x
  3. Step 3: Cross multiply
    19,164.80x = 26,451.36 × 11,208.98
  4. Step 4: Simplify right side
    19,164.80x = 296,492,831.34
  5. Step 5: Solve for x
    x = 296,492,831.34/19,164.80
  6. Step 6: Final answer
    x = 15,470.70

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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.