Home / 22,795.41-31,472.10-15,637.32

Finding the Fourth Proportional to 22,795.41, 31,472.10 and 15,637.32

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Solution

The fourth proportional to 22,795.41, 31,472.10 and 15,637.32 is: 21,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,795.41 : 31,472.10 = 15,637.32 : x
  2. Step 2: Convert to fraction form
    22,795.41/31,472.10 = 15,637.32/x
  3. Step 3: Cross multiply
    22,795.41x = 31,472.10 × 15,637.32
  4. Step 4: Simplify right side
    22,795.41x = 492,139,298.77
  5. Step 5: Solve for x
    x = 492,139,298.77/22,795.41
  6. Step 6: Final answer
    x = 21,589.40

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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.