Home / 18,748.04-25,806.47-16,976.57

Finding the Fourth Proportional to 18,748.04, 25,806.47 and 16,976.57

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Solution

The fourth proportional to 18,748.04, 25,806.47 and 16,976.57 is: 23,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.04 : 25,806.47 = 16,976.57 : x
  2. Step 2: Convert to fraction form
    18,748.04/25,806.47 = 16,976.57/x
  3. Step 3: Cross multiply
    18,748.04x = 25,806.47 × 16,976.57
  4. Step 4: Simplify right side
    18,748.04x = 438,105,130.49
  5. Step 5: Solve for x
    x = 438,105,130.49/18,748.04
  6. Step 6: Final answer
    x = 23,368.06

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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.