Home / 18,583.40-25,640.88-10,624.34

Finding the Fourth Proportional to 18,583.40, 25,640.88 and 10,624.34

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Solution

The fourth proportional to 18,583.40, 25,640.88 and 10,624.34 is: 14,659.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.40 : 25,640.88 = 10,624.34 : x
  2. Step 2: Convert to fraction form
    18,583.40/25,640.88 = 10,624.34/x
  3. Step 3: Cross multiply
    18,583.40x = 25,640.88 × 10,624.34
  4. Step 4: Simplify right side
    18,583.40x = 272,417,427.02
  5. Step 5: Solve for x
    x = 272,417,427.02/18,583.40
  6. Step 6: Final answer
    x = 14,659.18

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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.