Home / 23,154.03-31,953.80-13,082.90

Finding the Fourth Proportional to 23,154.03, 31,953.80 and 13,082.90

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Solution

The fourth proportional to 23,154.03, 31,953.80 and 13,082.90 is: 18,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,154.03 : 31,953.80 = 13,082.90 : x
  2. Step 2: Convert to fraction form
    23,154.03/31,953.80 = 13,082.90/x
  3. Step 3: Cross multiply
    23,154.03x = 31,953.80 × 13,082.90
  4. Step 4: Simplify right side
    23,154.03x = 418,048,242.96
  5. Step 5: Solve for x
    x = 418,048,242.96/23,154.03
  6. Step 6: Final answer
    x = 18,055.10

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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.