Home / 14,117.67-19,482.27-7,829.91

Finding the Fourth Proportional to 14,117.67, 19,482.27 and 7,829.91

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Solution

The fourth proportional to 14,117.67, 19,482.27 and 7,829.91 is: 10,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.67 : 19,482.27 = 7,829.91 : x
  2. Step 2: Convert to fraction form
    14,117.67/19,482.27 = 7,829.91/x
  3. Step 3: Cross multiply
    14,117.67x = 19,482.27 × 7,829.91
  4. Step 4: Simplify right side
    14,117.67x = 152,544,420.70
  5. Step 5: Solve for x
    x = 152,544,420.70/14,117.67
  6. Step 6: Final answer
    x = 10,805.21

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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.