Home / 18,353.95-25,328.54-10,397.72

Finding the Fourth Proportional to 18,353.95, 25,328.54 and 10,397.72

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Solution

The fourth proportional to 18,353.95, 25,328.54 and 10,397.72 is: 14,348.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.95 : 25,328.54 = 10,397.72 : x
  2. Step 2: Convert to fraction form
    18,353.95/25,328.54 = 10,397.72/x
  3. Step 3: Cross multiply
    18,353.95x = 25,328.54 × 10,397.72
  4. Step 4: Simplify right side
    18,353.95x = 263,359,156.24
  5. Step 5: Solve for x
    x = 263,359,156.24/18,353.95
  6. Step 6: Final answer
    x = 14,348.91

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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.