Home / 13,573.52-20,353.40-4,807.20

Finding the Fourth Proportional to 13,573.52, 20,353.40 and 4,807.20

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Solution

The fourth proportional to 13,573.52, 20,353.40 and 4,807.20 is: 7,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.52 : 20,353.40 = 4,807.20 : x
  2. Step 2: Convert to fraction form
    13,573.52/20,353.40 = 4,807.20/x
  3. Step 3: Cross multiply
    13,573.52x = 20,353.40 × 4,807.20
  4. Step 4: Simplify right side
    13,573.52x = 97,842,864.48
  5. Step 5: Solve for x
    x = 97,842,864.48/13,573.52
  6. Step 6: Final answer
    x = 7,208.36

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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.