Home / 22,925.26-31,638-13,971.34

Finding the Fourth Proportional to 22,925.26, 31,638 and 13,971.34

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Solution

The fourth proportional to 22,925.26, 31,638 and 13,971.34 is: 19,281.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,925.26 : 31,638 = 13,971.34 : x
  2. Step 2: Convert to fraction form
    22,925.26/31,638 = 13,971.34/x
  3. Step 3: Cross multiply
    22,925.26x = 31,638 × 13,971.34
  4. Step 4: Simplify right side
    22,925.26x = 442,025,254.92
  5. Step 5: Solve for x
    x = 442,025,254.92/22,925.26
  6. Step 6: Final answer
    x = 19,281.14

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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.