Home / 26,915.48-37,143.14-14,978.88

Finding the Fourth Proportional to 26,915.48, 37,143.14 and 14,978.88

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Solution

The fourth proportional to 26,915.48, 37,143.14 and 14,978.88 is: 20,670.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915.48 : 37,143.14 = 14,978.88 : x
  2. Step 2: Convert to fraction form
    26,915.48/37,143.14 = 14,978.88/x
  3. Step 3: Cross multiply
    26,915.48x = 37,143.14 × 14,978.88
  4. Step 4: Simplify right side
    26,915.48x = 556,362,636.88
  5. Step 5: Solve for x
    x = 556,362,636.88/26,915.48
  6. Step 6: Final answer
    x = 20,670.73

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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.