Home / 23,099.61-31,878.54-13,027.84

Finding the Fourth Proportional to 23,099.61, 31,878.54 and 13,027.84

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Solution

The fourth proportional to 23,099.61, 31,878.54 and 13,027.84 is: 17,979.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,099.61 : 31,878.54 = 13,027.84 : x
  2. Step 2: Convert to fraction form
    23,099.61/31,878.54 = 13,027.84/x
  3. Step 3: Cross multiply
    23,099.61x = 31,878.54 × 13,027.84
  4. Step 4: Simplify right side
    23,099.61x = 415,308,547.48
  5. Step 5: Solve for x
    x = 415,308,547.48/23,099.61
  6. Step 6: Final answer
    x = 17,979.03

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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.