Home / 13,717.64-18,927.85-8,052.63

Finding the Fourth Proportional to 13,717.64, 18,927.85 and 8,052.63

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Solution

The fourth proportional to 13,717.64, 18,927.85 and 8,052.63 is: 11,111.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.64 : 18,927.85 = 8,052.63 : x
  2. Step 2: Convert to fraction form
    13,717.64/18,927.85 = 8,052.63/x
  3. Step 3: Cross multiply
    13,717.64x = 18,927.85 × 8,052.63
  4. Step 4: Simplify right side
    13,717.64x = 152,418,952.61
  5. Step 5: Solve for x
    x = 152,418,952.61/13,717.64
  6. Step 6: Final answer
    x = 11,111.16

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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.