Home / 13,840.79-19,100.23-7,553.16

Finding the Fourth Proportional to 13,840.79, 19,100.23 and 7,553.16

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Solution

The fourth proportional to 13,840.79, 19,100.23 and 7,553.16 is: 10,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.79 : 19,100.23 = 7,553.16 : x
  2. Step 2: Convert to fraction form
    13,840.79/19,100.23 = 7,553.16/x
  3. Step 3: Cross multiply
    13,840.79x = 19,100.23 × 7,553.16
  4. Step 4: Simplify right side
    13,840.79x = 144,267,074.34
  5. Step 5: Solve for x
    x = 144,267,074.34/13,840.79
  6. Step 6: Final answer
    x = 10,423.33

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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.