Home / 18,445.79-25,455.27-10,062.47

Finding the Fourth Proportional to 18,445.79, 25,455.27 and 10,062.47

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Solution

The fourth proportional to 18,445.79, 25,455.27 and 10,062.47 is: 13,886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.79 : 25,455.27 = 10,062.47 : x
  2. Step 2: Convert to fraction form
    18,445.79/25,455.27 = 10,062.47/x
  3. Step 3: Cross multiply
    18,445.79x = 25,455.27 × 10,062.47
  4. Step 4: Simplify right side
    18,445.79x = 256,142,890.72
  5. Step 5: Solve for x
    x = 256,142,890.72/18,445.79
  6. Step 6: Final answer
    x = 13,886.25

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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.