Home / 19,338.79-26,685.90-10,725.22

Finding the Fourth Proportional to 19,338.79, 26,685.90 and 10,725.22

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Solution

The fourth proportional to 19,338.79, 26,685.90 and 10,725.22 is: 14,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.79 : 26,685.90 = 10,725.22 : x
  2. Step 2: Convert to fraction form
    19,338.79/26,685.90 = 10,725.22/x
  3. Step 3: Cross multiply
    19,338.79x = 26,685.90 × 10,725.22
  4. Step 4: Simplify right side
    19,338.79x = 286,212,148.40
  5. Step 5: Solve for x
    x = 286,212,148.40/19,338.79
  6. Step 6: Final answer
    x = 14,799.90

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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.