Home / 25,232.49-37,980.32-21,427.11

Finding the Fourth Proportional to 25,232.49, 37,980.32 and 21,427.11

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Solution

The fourth proportional to 25,232.49, 37,980.32 and 21,427.11 is: 32,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,232.49 : 37,980.32 = 21,427.11 : x
  2. Step 2: Convert to fraction form
    25,232.49/37,980.32 = 21,427.11/x
  3. Step 3: Cross multiply
    25,232.49x = 37,980.32 × 21,427.11
  4. Step 4: Simplify right side
    25,232.49x = 813,808,387.34
  5. Step 5: Solve for x
    x = 813,808,387.34/25,232.49
  6. Step 6: Final answer
    x = 32,252.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.