Home / 14,875.32-20,530.98-8,586.84

Finding the Fourth Proportional to 14,875.32, 20,530.98 and 8,586.84

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Solution

The fourth proportional to 14,875.32, 20,530.98 and 8,586.84 is: 11,851.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.32 : 20,530.98 = 8,586.84 : x
  2. Step 2: Convert to fraction form
    14,875.32/20,530.98 = 8,586.84/x
  3. Step 3: Cross multiply
    14,875.32x = 20,530.98 × 8,586.84
  4. Step 4: Simplify right side
    14,875.32x = 176,296,240.30
  5. Step 5: Solve for x
    x = 176,296,240.30/14,875.32
  6. Step 6: Final answer
    x = 11,851.59

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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.