Home / 19,158.59-26,439.55-11,200.68

Finding the Fourth Proportional to 19,158.59, 26,439.55 and 11,200.68

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Solution

The fourth proportional to 19,158.59, 26,439.55 and 11,200.68 is: 15,457.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.59 : 26,439.55 = 11,200.68 : x
  2. Step 2: Convert to fraction form
    19,158.59/26,439.55 = 11,200.68/x
  3. Step 3: Cross multiply
    19,158.59x = 26,439.55 × 11,200.68
  4. Step 4: Simplify right side
    19,158.59x = 296,140,910.89
  5. Step 5: Solve for x
    x = 296,140,910.89/19,158.59
  6. Step 6: Final answer
    x = 15,457.34

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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.