Home / 13,700.64-20,554.74-4,935.36

Finding the Fourth Proportional to 13,700.64, 20,554.74 and 4,935.36

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Solution

The fourth proportional to 13,700.64, 20,554.74 and 4,935.36 is: 7,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700.64 : 20,554.74 = 4,935.36 : x
  2. Step 2: Convert to fraction form
    13,700.64/20,554.74 = 4,935.36/x
  3. Step 3: Cross multiply
    13,700.64x = 20,554.74 × 4,935.36
  4. Step 4: Simplify right side
    13,700.64x = 101,445,041.61
  5. Step 5: Solve for x
    x = 101,445,041.61/13,700.64
  6. Step 6: Final answer
    x = 7,404.40

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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.