Home / 14,040.23-19,368.52-8,370.98

Finding the Fourth Proportional to 14,040.23, 19,368.52 and 8,370.98

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Solution

The fourth proportional to 14,040.23, 19,368.52 and 8,370.98 is: 11,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.23 : 19,368.52 = 8,370.98 : x
  2. Step 2: Convert to fraction form
    14,040.23/19,368.52 = 8,370.98/x
  3. Step 3: Cross multiply
    14,040.23x = 19,368.52 × 8,370.98
  4. Step 4: Simplify right side
    14,040.23x = 162,133,493.55
  5. Step 5: Solve for x
    x = 162,133,493.55/14,040.23
  6. Step 6: Final answer
    x = 11,547.78

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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.