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Finding the Fourth Proportional to 15,060.58, 20,783.08 and 9,095.74

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Solution

The fourth proportional to 15,060.58, 20,783.08 and 9,095.74 is: 12,551.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,060.58 : 20,783.08 = 9,095.74 : x
  2. Step 2: Convert to fraction form
    15,060.58/20,783.08 = 9,095.74/x
  3. Step 3: Cross multiply
    15,060.58x = 20,783.08 × 9,095.74
  4. Step 4: Simplify right side
    15,060.58x = 189,037,492.08
  5. Step 5: Solve for x
    x = 189,037,492.08/15,060.58
  6. Step 6: Final answer
    x = 12,551.81

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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.