Home / 13,492.17-18,618.30-10,307.61

Finding the Fourth Proportional to 13,492.17, 18,618.30 and 10,307.61

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Solution

The fourth proportional to 13,492.17, 18,618.30 and 10,307.61 is: 14,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.17 : 18,618.30 = 10,307.61 : x
  2. Step 2: Convert to fraction form
    13,492.17/18,618.30 = 10,307.61/x
  3. Step 3: Cross multiply
    13,492.17x = 18,618.30 × 10,307.61
  4. Step 4: Simplify right side
    13,492.17x = 191,910,175.26
  5. Step 5: Solve for x
    x = 191,910,175.26/13,492.17
  6. Step 6: Final answer
    x = 14,223.82

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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.