Home / 19,103.40-26,363.88-10,719.72

Finding the Fourth Proportional to 19,103.40, 26,363.88 and 10,719.72

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Solution

The fourth proportional to 19,103.40, 26,363.88 and 10,719.72 is: 14,793.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.40 : 26,363.88 = 10,719.72 : x
  2. Step 2: Convert to fraction form
    19,103.40/26,363.88 = 10,719.72/x
  3. Step 3: Cross multiply
    19,103.40x = 26,363.88 × 10,719.72
  4. Step 4: Simplify right side
    19,103.40x = 282,613,411.71
  5. Step 5: Solve for x
    x = 282,613,411.71/19,103.40
  6. Step 6: Final answer
    x = 14,793.88

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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.