Home / 20,973.32-31,479.42-10,592.36

Finding the Fourth Proportional to 20,973.32, 31,479.42 and 10,592.36

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Solution

The fourth proportional to 20,973.32, 31,479.42 and 10,592.36 is: 15,898.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,973.32 : 31,479.42 = 10,592.36 : x
  2. Step 2: Convert to fraction form
    20,973.32/31,479.42 = 10,592.36/x
  3. Step 3: Cross multiply
    20,973.32x = 31,479.42 × 10,592.36
  4. Step 4: Simplify right side
    20,973.32x = 333,441,349.23
  5. Step 5: Solve for x
    x = 333,441,349.23/20,973.32
  6. Step 6: Final answer
    x = 15,898.36

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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.