Home / 22,431.65-30,954.93-12,360.06

Finding the Fourth Proportional to 22,431.65, 30,954.93 and 12,360.06

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Solution

The fourth proportional to 22,431.65, 30,954.93 and 12,360.06 is: 17,056.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,431.65 : 30,954.93 = 12,360.06 : x
  2. Step 2: Convert to fraction form
    22,431.65/30,954.93 = 12,360.06/x
  3. Step 3: Cross multiply
    22,431.65x = 30,954.93 × 12,360.06
  4. Step 4: Simplify right side
    22,431.65x = 382,604,792.10
  5. Step 5: Solve for x
    x = 382,604,792.10/22,431.65
  6. Step 6: Final answer
    x = 17,056.47

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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.