Home / 22,746.78-31,390.14-12,675.06

Finding the Fourth Proportional to 22,746.78, 31,390.14 and 12,675.06

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Solution

The fourth proportional to 22,746.78, 31,390.14 and 12,675.06 is: 17,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,746.78 : 31,390.14 = 12,675.06 : x
  2. Step 2: Convert to fraction form
    22,746.78/31,390.14 = 12,675.06/x
  3. Step 3: Cross multiply
    22,746.78x = 31,390.14 × 12,675.06
  4. Step 4: Simplify right side
    22,746.78x = 397,871,907.91
  5. Step 5: Solve for x
    x = 397,871,907.91/22,746.78
  6. Step 6: Final answer
    x = 17,491.35

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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.