Home / 14,378.04-19,841.40-8,004.42

Finding the Fourth Proportional to 14,378.04, 19,841.40 and 8,004.42

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Solution

The fourth proportional to 14,378.04, 19,841.40 and 8,004.42 is: 11,045.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.04 : 19,841.40 = 8,004.42 : x
  2. Step 2: Convert to fraction form
    14,378.04/19,841.40 = 8,004.42/x
  3. Step 3: Cross multiply
    14,378.04x = 19,841.40 × 8,004.42
  4. Step 4: Simplify right side
    14,378.04x = 158,818,898.99
  5. Step 5: Solve for x
    x = 158,818,898.99/14,378.04
  6. Step 6: Final answer
    x = 11,045.94

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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.