Home / 16,991.64-23,448.15-9,437.67

Finding the Fourth Proportional to 16,991.64, 23,448.15 and 9,437.67

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Solution

The fourth proportional to 16,991.64, 23,448.15 and 9,437.67 is: 13,023.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.64 : 23,448.15 = 9,437.67 : x
  2. Step 2: Convert to fraction form
    16,991.64/23,448.15 = 9,437.67/x
  3. Step 3: Cross multiply
    16,991.64x = 23,448.15 × 9,437.67
  4. Step 4: Simplify right side
    16,991.64x = 221,295,901.81
  5. Step 5: Solve for x
    x = 221,295,901.81/16,991.64
  6. Step 6: Final answer
    x = 13,023.81

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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.