Home / 16,927.40-25,430.40-10,621.67

Finding the Fourth Proportional to 16,927.40, 25,430.40 and 10,621.67

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Solution

The fourth proportional to 16,927.40, 25,430.40 and 10,621.67 is: 15,957.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,927.40 : 25,430.40 = 10,621.67 : x
  2. Step 2: Convert to fraction form
    16,927.40/25,430.40 = 10,621.67/x
  3. Step 3: Cross multiply
    16,927.40x = 25,430.40 × 10,621.67
  4. Step 4: Simplify right side
    16,927.40x = 270,113,189.62
  5. Step 5: Solve for x
    x = 270,113,189.62/16,927.40
  6. Step 6: Final answer
    x = 15,957.16

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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.