Home / 19,209.39-26,509.07-10,712.05

Finding the Fourth Proportional to 19,209.39, 26,509.07 and 10,712.05

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Solution

The fourth proportional to 19,209.39, 26,509.07 and 10,712.05 is: 14,782.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.39 : 26,509.07 = 10,712.05 : x
  2. Step 2: Convert to fraction form
    19,209.39/26,509.07 = 10,712.05/x
  3. Step 3: Cross multiply
    19,209.39x = 26,509.07 × 10,712.05
  4. Step 4: Simplify right side
    19,209.39x = 283,966,443.80
  5. Step 5: Solve for x
    x = 283,966,443.80/19,209.39
  6. Step 6: Final answer
    x = 14,782.69

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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.