Home / 19,065.96-26,312.76-11,516.04

Finding the Fourth Proportional to 19,065.96, 26,312.76 and 11,516.04

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Solution

The fourth proportional to 19,065.96, 26,312.76 and 11,516.04 is: 15,893.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.96 : 26,312.76 = 11,516.04 : x
  2. Step 2: Convert to fraction form
    19,065.96/26,312.76 = 11,516.04/x
  3. Step 3: Cross multiply
    19,065.96x = 26,312.76 × 11,516.04
  4. Step 4: Simplify right side
    19,065.96x = 303,018,796.67
  5. Step 5: Solve for x
    x = 303,018,796.67/19,065.96
  6. Step 6: Final answer
    x = 15,893.18

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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.