Home / 22,916.34-31,625.10-12,707.18

Finding the Fourth Proportional to 22,916.34, 31,625.10 and 12,707.18

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Solution

The fourth proportional to 22,916.34, 31,625.10 and 12,707.18 is: 17,536.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,916.34 : 31,625.10 = 12,707.18 : x
  2. Step 2: Convert to fraction form
    22,916.34/31,625.10 = 12,707.18/x
  3. Step 3: Cross multiply
    22,916.34x = 31,625.10 × 12,707.18
  4. Step 4: Simplify right side
    22,916.34x = 401,865,680.09
  5. Step 5: Solve for x
    x = 401,865,680.09/22,916.34
  6. Step 6: Final answer
    x = 17,536.21

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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.