Home / 19,345.11-29,051.69-19,068.09

Finding the Fourth Proportional to 19,345.11, 29,051.69 and 19,068.09

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Solution

The fourth proportional to 19,345.11, 29,051.69 and 19,068.09 is: 28,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.11 : 29,051.69 = 19,068.09 : x
  2. Step 2: Convert to fraction form
    19,345.11/29,051.69 = 19,068.09/x
  3. Step 3: Cross multiply
    19,345.11x = 29,051.69 × 19,068.09
  4. Step 4: Simplify right side
    19,345.11x = 553,960,144.23
  5. Step 5: Solve for x
    x = 553,960,144.23/19,345.11
  6. Step 6: Final answer
    x = 28,635.67

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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.