Home / 18,953.12-26,190.06-18,042.68

Finding the Fourth Proportional to 18,953.12, 26,190.06 and 18,042.68

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Solution

The fourth proportional to 18,953.12, 26,190.06 and 18,042.68 is: 24,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.12 : 26,190.06 = 18,042.68 : x
  2. Step 2: Convert to fraction form
    18,953.12/26,190.06 = 18,042.68/x
  3. Step 3: Cross multiply
    18,953.12x = 26,190.06 × 18,042.68
  4. Step 4: Simplify right side
    18,953.12x = 472,538,871.76
  5. Step 5: Solve for x
    x = 472,538,871.76/18,953.12
  6. Step 6: Final answer
    x = 24,931.98

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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.