Home / 18,777.16-25,884.88-14,293.10

Finding the Fourth Proportional to 18,777.16, 25,884.88 and 14,293.10

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Solution

The fourth proportional to 18,777.16, 25,884.88 and 14,293.10 is: 19,703.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777.16 : 25,884.88 = 14,293.10 : x
  2. Step 2: Convert to fraction form
    18,777.16/25,884.88 = 14,293.10/x
  3. Step 3: Cross multiply
    18,777.16x = 25,884.88 × 14,293.10
  4. Step 4: Simplify right side
    18,777.16x = 369,975,178.33
  5. Step 5: Solve for x
    x = 369,975,178.33/18,777.16
  6. Step 6: Final answer
    x = 19,703.47

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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.