Home / 14,066.73-19,411.85-7,779.11

Finding the Fourth Proportional to 14,066.73, 19,411.85 and 7,779.11

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Solution

The fourth proportional to 14,066.73, 19,411.85 and 7,779.11 is: 10,735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,066.73 : 19,411.85 = 7,779.11 : x
  2. Step 2: Convert to fraction form
    14,066.73/19,411.85 = 7,779.11/x
  3. Step 3: Cross multiply
    14,066.73x = 19,411.85 × 7,779.11
  4. Step 4: Simplify right side
    14,066.73x = 151,006,838.84
  5. Step 5: Solve for x
    x = 151,006,838.84/14,066.73
  6. Step 6: Final answer
    x = 10,735.03

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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.