Home / 15,007.37-20,710.31-10,476.63

Finding the Fourth Proportional to 15,007.37, 20,710.31 and 10,476.63

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Solution

The fourth proportional to 15,007.37, 20,710.31 and 10,476.63 is: 14,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,007.37 : 20,710.31 = 10,476.63 : x
  2. Step 2: Convert to fraction form
    15,007.37/20,710.31 = 10,476.63/x
  3. Step 3: Cross multiply
    15,007.37x = 20,710.31 × 10,476.63
  4. Step 4: Simplify right side
    15,007.37x = 216,974,202.67
  5. Step 5: Solve for x
    x = 216,974,202.67/15,007.37
  6. Step 6: Final answer
    x = 14,457.85

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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.