Home / 19,031.78-26,265.24-10,966.74

Finding the Fourth Proportional to 19,031.78, 26,265.24 and 10,966.74

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Solution

The fourth proportional to 19,031.78, 26,265.24 and 10,966.74 is: 15,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.78 : 26,265.24 = 10,966.74 : x
  2. Step 2: Convert to fraction form
    19,031.78/26,265.24 = 10,966.74/x
  3. Step 3: Cross multiply
    19,031.78x = 26,265.24 × 10,966.74
  4. Step 4: Simplify right side
    19,031.78x = 288,044,058.12
  5. Step 5: Solve for x
    x = 288,044,058.12/19,031.78
  6. Step 6: Final answer
    x = 15,134.90

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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.