Home / 13,840.34-19,100.13-7,553.06

Finding the Fourth Proportional to 13,840.34, 19,100.13 and 7,553.06

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Solution

The fourth proportional to 13,840.34, 19,100.13 and 7,553.06 is: 10,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.34 : 19,100.13 = 7,553.06 : x
  2. Step 2: Convert to fraction form
    13,840.34/19,100.13 = 7,553.06/x
  3. Step 3: Cross multiply
    13,840.34x = 19,100.13 × 7,553.06
  4. Step 4: Simplify right side
    13,840.34x = 144,264,427.90
  5. Step 5: Solve for x
    x = 144,264,427.90/13,840.34
  6. Step 6: Final answer
    x = 10,423.47

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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.