Home / 13,313.63-19,973.64-4,548.32

Finding the Fourth Proportional to 13,313.63, 19,973.64 and 4,548.32

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Solution

The fourth proportional to 13,313.63, 19,973.64 and 4,548.32 is: 6,823.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.63 : 19,973.64 = 4,548.32 : x
  2. Step 2: Convert to fraction form
    13,313.63/19,973.64 = 4,548.32/x
  3. Step 3: Cross multiply
    13,313.63x = 19,973.64 × 4,548.32
  4. Step 4: Simplify right side
    13,313.63x = 90,846,406.42
  5. Step 5: Solve for x
    x = 90,846,406.42/13,313.63
  6. Step 6: Final answer
    x = 6,823.57

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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.