Home / 22,840.93-31,518.73-13,887.19

Finding the Fourth Proportional to 22,840.93, 31,518.73 and 13,887.19

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Solution

The fourth proportional to 22,840.93, 31,518.73 and 13,887.19 is: 19,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,840.93 : 31,518.73 = 13,887.19 : x
  2. Step 2: Convert to fraction form
    22,840.93/31,518.73 = 13,887.19/x
  3. Step 3: Cross multiply
    22,840.93x = 31,518.73 × 13,887.19
  4. Step 4: Simplify right side
    22,840.93x = 437,706,592.07
  5. Step 5: Solve for x
    x = 437,706,592.07/22,840.93
  6. Step 6: Final answer
    x = 19,163.26

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Half scale
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Double scale
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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.