Home / 15,438.52-21,288.23-10,051.01

Finding the Fourth Proportional to 15,438.52, 21,288.23 and 10,051.01

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Solution

The fourth proportional to 15,438.52, 21,288.23 and 10,051.01 is: 13,859.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.52 : 21,288.23 = 10,051.01 : x
  2. Step 2: Convert to fraction form
    15,438.52/21,288.23 = 10,051.01/x
  3. Step 3: Cross multiply
    15,438.52x = 21,288.23 × 10,051.01
  4. Step 4: Simplify right side
    15,438.52x = 213,968,212.61
  5. Step 5: Solve for x
    x = 213,968,212.61/15,438.52
  6. Step 6: Final answer
    x = 13,859.38

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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.