Home / 14,815.36-20,442.96-9,510.88

Finding the Fourth Proportional to 14,815.36, 20,442.96 and 9,510.88

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Solution

The fourth proportional to 14,815.36, 20,442.96 and 9,510.88 is: 13,123.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,815.36 : 20,442.96 = 9,510.88 : x
  2. Step 2: Convert to fraction form
    14,815.36/20,442.96 = 9,510.88/x
  3. Step 3: Cross multiply
    14,815.36x = 20,442.96 × 9,510.88
  4. Step 4: Simplify right side
    14,815.36x = 194,430,539.40
  5. Step 5: Solve for x
    x = 194,430,539.40/14,815.36
  6. Step 6: Final answer
    x = 13,123.58

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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.