Home / 19,293.28-26,626.08-10,909.84

Finding the Fourth Proportional to 19,293.28, 26,626.08 and 10,909.84

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Solution

The fourth proportional to 19,293.28, 26,626.08 and 10,909.84 is: 15,056.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.28 : 26,626.08 = 10,909.84 : x
  2. Step 2: Convert to fraction form
    19,293.28/26,626.08 = 10,909.84/x
  3. Step 3: Cross multiply
    19,293.28x = 26,626.08 × 10,909.84
  4. Step 4: Simplify right side
    19,293.28x = 290,486,272.63
  5. Step 5: Solve for x
    x = 290,486,272.63/19,293.28
  6. Step 6: Final answer
    x = 15,056.34

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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.