Home / 16,503.81-22,775.34-9,430.48

Finding the Fourth Proportional to 16,503.81, 22,775.34 and 9,430.48

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Solution

The fourth proportional to 16,503.81, 22,775.34 and 9,430.48 is: 13,014.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,503.81 : 22,775.34 = 9,430.48 : x
  2. Step 2: Convert to fraction form
    16,503.81/22,775.34 = 9,430.48/x
  3. Step 3: Cross multiply
    16,503.81x = 22,775.34 × 9,430.48
  4. Step 4: Simplify right side
    16,503.81x = 214,782,388.36
  5. Step 5: Solve for x
    x = 214,782,388.36/16,503.81
  6. Step 6: Final answer
    x = 13,014.11

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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.