Home / 15,417.72-23,128.04-7,100.04

Finding the Fourth Proportional to 15,417.72, 23,128.04 and 7,100.04

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Solution

The fourth proportional to 15,417.72, 23,128.04 and 7,100.04 is: 10,650.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,417.72 : 23,128.04 = 7,100.04 : x
  2. Step 2: Convert to fraction form
    15,417.72/23,128.04 = 7,100.04/x
  3. Step 3: Cross multiply
    15,417.72x = 23,128.04 × 7,100.04
  4. Step 4: Simplify right side
    15,417.72x = 164,210,009.12
  5. Step 5: Solve for x
    x = 164,210,009.12/15,417.72
  6. Step 6: Final answer
    x = 10,650.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.