Home / 18,953.18-26,153.62-18,316.23

Finding the Fourth Proportional to 18,953.18, 26,153.62 and 18,316.23

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Solution

The fourth proportional to 18,953.18, 26,153.62 and 18,316.23 is: 25,274.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.18 : 26,153.62 = 18,316.23 : x
  2. Step 2: Convert to fraction form
    18,953.18/26,153.62 = 18,316.23/x
  3. Step 3: Cross multiply
    18,953.18x = 26,153.62 × 18,316.23
  4. Step 4: Simplify right side
    18,953.18x = 479,035,673.46
  5. Step 5: Solve for x
    x = 479,035,673.46/18,953.18
  6. Step 6: Final answer
    x = 25,274.68

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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.