Home / 14,135.58-19,506.33-7,847.55

Finding the Fourth Proportional to 14,135.58, 19,506.33 and 7,847.55

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Solution

The fourth proportional to 14,135.58, 19,506.33 and 7,847.55 is: 10,829.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.58 : 19,506.33 = 7,847.55 : x
  2. Step 2: Convert to fraction form
    14,135.58/19,506.33 = 7,847.55/x
  3. Step 3: Cross multiply
    14,135.58x = 19,506.33 × 7,847.55
  4. Step 4: Simplify right side
    14,135.58x = 153,076,875.82
  5. Step 5: Solve for x
    x = 153,076,875.82/14,135.58
  6. Step 6: Final answer
    x = 10,829.19

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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.