Home / 14,411.68-19,888.32-8,038.08

Finding the Fourth Proportional to 14,411.68, 19,888.32 and 8,038.08

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Solution

The fourth proportional to 14,411.68, 19,888.32 and 8,038.08 is: 11,092.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,411.68 : 19,888.32 = 8,038.08 : x
  2. Step 2: Convert to fraction form
    14,411.68/19,888.32 = 8,038.08/x
  3. Step 3: Cross multiply
    14,411.68x = 19,888.32 × 8,038.08
  4. Step 4: Simplify right side
    14,411.68x = 159,863,907.23
  5. Step 5: Solve for x
    x = 159,863,907.23/14,411.68
  6. Step 6: Final answer
    x = 11,092.66

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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.