Home / 19,291.52-26,624.80-10,909.68

Finding the Fourth Proportional to 19,291.52, 26,624.80 and 10,909.68

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Solution

The fourth proportional to 19,291.52, 26,624.80 and 10,909.68 is: 15,056.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.52 : 26,624.80 = 10,909.68 : x
  2. Step 2: Convert to fraction form
    19,291.52/26,624.80 = 10,909.68/x
  3. Step 3: Cross multiply
    19,291.52x = 26,624.80 × 10,909.68
  4. Step 4: Simplify right side
    19,291.52x = 290,468,048.06
  5. Step 5: Solve for x
    x = 290,468,048.06/19,291.52
  6. Step 6: Final answer
    x = 15,056.77

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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.