Home / 19,109.60-28,653.86-10,235.33

Finding the Fourth Proportional to 19,109.60, 28,653.86 and 10,235.33

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Solution

The fourth proportional to 19,109.60, 28,653.86 and 10,235.33 is: 15,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.60 : 28,653.86 = 10,235.33 : x
  2. Step 2: Convert to fraction form
    19,109.60/28,653.86 = 10,235.33/x
  3. Step 3: Cross multiply
    19,109.60x = 28,653.86 × 10,235.33
  4. Step 4: Simplify right side
    19,109.60x = 293,281,712.87
  5. Step 5: Solve for x
    x = 293,281,712.87/19,109.60
  6. Step 6: Final answer
    x = 15,347.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.