Home / 15,506.40-23,263.52-6,742.88

Finding the Fourth Proportional to 15,506.40, 23,263.52 and 6,742.88

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Solution

The fourth proportional to 15,506.40, 23,263.52 and 6,742.88 is: 10,116.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,506.40 : 23,263.52 = 6,742.88 : x
  2. Step 2: Convert to fraction form
    15,506.40/23,263.52 = 6,742.88/x
  3. Step 3: Cross multiply
    15,506.40x = 23,263.52 × 6,742.88
  4. Step 4: Simplify right side
    15,506.40x = 156,863,123.74
  5. Step 5: Solve for x
    x = 156,863,123.74/15,506.40
  6. Step 6: Final answer
    x = 10,116.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.