Home / 16,678.10-23,015.85-10,709.82

Finding the Fourth Proportional to 16,678.10, 23,015.85 and 10,709.82

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Solution

The fourth proportional to 16,678.10, 23,015.85 and 10,709.82 is: 14,779.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.10 : 23,015.85 = 10,709.82 : x
  2. Step 2: Convert to fraction form
    16,678.10/23,015.85 = 10,709.82/x
  3. Step 3: Cross multiply
    16,678.10x = 23,015.85 × 10,709.82
  4. Step 4: Simplify right side
    16,678.10x = 246,495,570.49
  5. Step 5: Solve for x
    x = 246,495,570.49/16,678.10
  6. Step 6: Final answer
    x = 14,779.59

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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.