Home / 13,915.47-20,873.25-4,055.01

Finding the Fourth Proportional to 13,915.47, 20,873.25 and 4,055.01

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Solution

The fourth proportional to 13,915.47, 20,873.25 and 4,055.01 is: 6,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.47 : 20,873.25 = 4,055.01 : x
  2. Step 2: Convert to fraction form
    13,915.47/20,873.25 = 4,055.01/x
  3. Step 3: Cross multiply
    13,915.47x = 20,873.25 × 4,055.01
  4. Step 4: Simplify right side
    13,915.47x = 84,641,237.48
  5. Step 5: Solve for x
    x = 84,641,237.48/13,915.47
  6. Step 6: Final answer
    x = 6,082.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.