Home / 19,304.81-26,647.20-11,349.39

Finding the Fourth Proportional to 19,304.81, 26,647.20 and 11,349.39

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Solution

The fourth proportional to 19,304.81, 26,647.20 and 11,349.39 is: 15,666.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,304.81 : 26,647.20 = 11,349.39 : x
  2. Step 2: Convert to fraction form
    19,304.81/26,647.20 = 11,349.39/x
  3. Step 3: Cross multiply
    19,304.81x = 26,647.20 × 11,349.39
  4. Step 4: Simplify right side
    19,304.81x = 302,429,465.21
  5. Step 5: Solve for x
    x = 302,429,465.21/19,304.81
  6. Step 6: Final answer
    x = 15,666.02

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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.