Home / 15,834.17-21,877.74-12,502.64

Finding the Fourth Proportional to 15,834.17, 21,877.74 and 12,502.64

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Solution

The fourth proportional to 15,834.17, 21,877.74 and 12,502.64 is: 17,274.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,834.17 : 21,877.74 = 12,502.64 : x
  2. Step 2: Convert to fraction form
    15,834.17/21,877.74 = 12,502.64/x
  3. Step 3: Cross multiply
    15,834.17x = 21,877.74 × 12,502.64
  4. Step 4: Simplify right side
    15,834.17x = 273,529,397.84
  5. Step 5: Solve for x
    x = 273,529,397.84/15,834.17
  6. Step 6: Final answer
    x = 17,274.63

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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.