Home / 19,103.63-26,363.21-10,720.13

Finding the Fourth Proportional to 19,103.63, 26,363.21 and 10,720.13

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Solution

The fourth proportional to 19,103.63, 26,363.21 and 10,720.13 is: 14,793.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.63 : 26,363.21 = 10,720.13 : x
  2. Step 2: Convert to fraction form
    19,103.63/26,363.21 = 10,720.13/x
  3. Step 3: Cross multiply
    19,103.63x = 26,363.21 × 10,720.13
  4. Step 4: Simplify right side
    19,103.63x = 282,616,853.00
  5. Step 5: Solve for x
    x = 282,616,853.00/19,103.63
  6. Step 6: Final answer
    x = 14,793.89

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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.