Home / 18,325.75-25,288.14-10,368.49

Finding the Fourth Proportional to 18,325.75, 25,288.14 and 10,368.49

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Solution

The fourth proportional to 18,325.75, 25,288.14 and 10,368.49 is: 14,307.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.75 : 25,288.14 = 10,368.49 : x
  2. Step 2: Convert to fraction form
    18,325.75/25,288.14 = 10,368.49/x
  3. Step 3: Cross multiply
    18,325.75x = 25,288.14 × 10,368.49
  4. Step 4: Simplify right side
    18,325.75x = 262,199,826.71
  5. Step 5: Solve for x
    x = 262,199,826.71/18,325.75
  6. Step 6: Final answer
    x = 14,307.73

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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.