Home / 23,155.46-31,954.54-12,545.06

Finding the Fourth Proportional to 23,155.46, 31,954.54 and 12,545.06

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Solution

The fourth proportional to 23,155.46, 31,954.54 and 12,545.06 is: 17,312.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,155.46 : 31,954.54 = 12,545.06 : x
  2. Step 2: Convert to fraction form
    23,155.46/31,954.54 = 12,545.06/x
  3. Step 3: Cross multiply
    23,155.46x = 31,954.54 × 12,545.06
  4. Step 4: Simplify right side
    23,155.46x = 400,871,621.57
  5. Step 5: Solve for x
    x = 400,871,621.57/23,155.46
  6. Step 6: Final answer
    x = 17,312.19

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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.