Home / 14,665.08-20,237.64-7,950.72

Finding the Fourth Proportional to 14,665.08, 20,237.64 and 7,950.72

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Solution

The fourth proportional to 14,665.08, 20,237.64 and 7,950.72 is: 10,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.08 : 20,237.64 = 7,950.72 : x
  2. Step 2: Convert to fraction form
    14,665.08/20,237.64 = 7,950.72/x
  3. Step 3: Cross multiply
    14,665.08x = 20,237.64 × 7,950.72
  4. Step 4: Simplify right side
    14,665.08x = 160,903,809.10
  5. Step 5: Solve for x
    x = 160,903,809.10/14,665.08
  6. Step 6: Final answer
    x = 10,971.90

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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.