Home / 15,567.04-23,354.64-5,178.88

Finding the Fourth Proportional to 15,567.04, 23,354.64 and 5,178.88

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Solution

The fourth proportional to 15,567.04, 23,354.64 and 5,178.88 is: 7,769.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.04 : 23,354.64 = 5,178.88 : x
  2. Step 2: Convert to fraction form
    15,567.04/23,354.64 = 5,178.88/x
  3. Step 3: Cross multiply
    15,567.04x = 23,354.64 × 5,178.88
  4. Step 4: Simplify right side
    15,567.04x = 120,950,878.00
  5. Step 5: Solve for x
    x = 120,950,878.00/15,567.04
  6. Step 6: Final answer
    x = 7,769.68

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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.