Home / 18,461.04-25,475.88-10,077.60

Finding the Fourth Proportional to 18,461.04, 25,475.88 and 10,077.60

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Solution

The fourth proportional to 18,461.04, 25,475.88 and 10,077.60 is: 13,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.04 : 25,475.88 = 10,077.60 : x
  2. Step 2: Convert to fraction form
    18,461.04/25,475.88 = 10,077.60/x
  3. Step 3: Cross multiply
    18,461.04x = 25,475.88 × 10,077.60
  4. Step 4: Simplify right side
    18,461.04x = 256,735,728.29
  5. Step 5: Solve for x
    x = 256,735,728.29/18,461.04
  6. Step 6: Final answer
    x = 13,906.89

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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.