Home / 13,492.74-18,628.65-8,714.84

Finding the Fourth Proportional to 13,492.74, 18,628.65 and 8,714.84

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Solution

The fourth proportional to 13,492.74, 18,628.65 and 8,714.84 is: 12,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.74 : 18,628.65 = 8,714.84 : x
  2. Step 2: Convert to fraction form
    13,492.74/18,628.65 = 8,714.84/x
  3. Step 3: Cross multiply
    13,492.74x = 18,628.65 × 8,714.84
  4. Step 4: Simplify right side
    13,492.74x = 162,345,611.02
  5. Step 5: Solve for x
    x = 162,345,611.02/13,492.74
  6. Step 6: Final answer
    x = 12,032.07

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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.