Home / 26,915.04-37,143.36-14,979.60

Finding the Fourth Proportional to 26,915.04, 37,143.36 and 14,979.60

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Solution

The fourth proportional to 26,915.04, 37,143.36 and 14,979.60 is: 20,672.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915.04 : 37,143.36 = 14,979.60 : x
  2. Step 2: Convert to fraction form
    26,915.04/37,143.36 = 14,979.60/x
  3. Step 3: Cross multiply
    26,915.04x = 37,143.36 × 14,979.60
  4. Step 4: Simplify right side
    26,915.04x = 556,392,675.46
  5. Step 5: Solve for x
    x = 556,392,675.46/26,915.04
  6. Step 6: Final answer
    x = 20,672.18

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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.