Home / 13,941.16-19,238.67-7,653.40

Finding the Fourth Proportional to 13,941.16, 19,238.67 and 7,653.40

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Solution

The fourth proportional to 13,941.16, 19,238.67 and 7,653.40 is: 10,561.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.16 : 19,238.67 = 7,653.40 : x
  2. Step 2: Convert to fraction form
    13,941.16/19,238.67 = 7,653.40/x
  3. Step 3: Cross multiply
    13,941.16x = 19,238.67 × 7,653.40
  4. Step 4: Simplify right side
    13,941.16x = 147,241,236.98
  5. Step 5: Solve for x
    x = 147,241,236.98/13,941.16
  6. Step 6: Final answer
    x = 10,561.62

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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.