Home / 19,518.60-26,923.86-14,409.06

Finding the Fourth Proportional to 19,518.60, 26,923.86 and 14,409.06

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Solution

The fourth proportional to 19,518.60, 26,923.86 and 14,409.06 is: 19,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.60 : 26,923.86 = 14,409.06 : x
  2. Step 2: Convert to fraction form
    19,518.60/26,923.86 = 14,409.06/x
  3. Step 3: Cross multiply
    19,518.60x = 26,923.86 × 14,409.06
  4. Step 4: Simplify right side
    19,518.60x = 387,947,514.17
  5. Step 5: Solve for x
    x = 387,947,514.17/19,518.60
  6. Step 6: Final answer
    x = 19,875.79

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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.