Home / 21,362.48-32,048.27-7,318.74

Finding the Fourth Proportional to 21,362.48, 32,048.27 and 7,318.74

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Solution

The fourth proportional to 21,362.48, 32,048.27 and 7,318.74 is: 10,979.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362.48 : 32,048.27 = 7,318.74 : x
  2. Step 2: Convert to fraction form
    21,362.48/32,048.27 = 7,318.74/x
  3. Step 3: Cross multiply
    21,362.48x = 32,048.27 × 7,318.74
  4. Step 4: Simplify right side
    21,362.48x = 234,552,955.58
  5. Step 5: Solve for x
    x = 234,552,955.58/21,362.48
  6. Step 6: Final answer
    x = 10,979.67

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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.