Home / 16,878.17-23,258.99-12,153.53

Finding the Fourth Proportional to 16,878.17, 23,258.99 and 12,153.53

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Solution

The fourth proportional to 16,878.17, 23,258.99 and 12,153.53 is: 16,748.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.17 : 23,258.99 = 12,153.53 : x
  2. Step 2: Convert to fraction form
    16,878.17/23,258.99 = 12,153.53/x
  3. Step 3: Cross multiply
    16,878.17x = 23,258.99 × 12,153.53
  4. Step 4: Simplify right side
    16,878.17x = 282,678,771.97
  5. Step 5: Solve for x
    x = 282,678,771.97/16,878.17
  6. Step 6: Final answer
    x = 16,748.19

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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.