Home / 19,856.68-29,636.44-19,528.64

Finding the Fourth Proportional to 19,856.68, 29,636.44 and 19,528.64

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Solution

The fourth proportional to 19,856.68, 29,636.44 and 19,528.64 is: 29,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,856.68 : 29,636.44 = 19,528.64 : x
  2. Step 2: Convert to fraction form
    19,856.68/29,636.44 = 19,528.64/x
  3. Step 3: Cross multiply
    19,856.68x = 29,636.44 × 19,528.64
  4. Step 4: Simplify right side
    19,856.68x = 578,759,367.64
  5. Step 5: Solve for x
    x = 578,759,367.64/19,856.68
  6. Step 6: Final answer
    x = 29,146.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.