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Finding the Fourth Proportional to 19,492.76, 26,899.99 and 10,540.24

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Solution

The fourth proportional to 19,492.76, 26,899.99 and 10,540.24 is: 14,545.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,492.76 : 26,899.99 = 10,540.24 : x
  2. Step 2: Convert to fraction form
    19,492.76/26,899.99 = 10,540.24/x
  3. Step 3: Cross multiply
    19,492.76x = 26,899.99 × 10,540.24
  4. Step 4: Simplify right side
    19,492.76x = 283,532,482.71
  5. Step 5: Solve for x
    x = 283,532,482.71/19,492.76
  6. Step 6: Final answer
    x = 14,545.53

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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.