Home / 25,569.80-35,285.44-14,389.64

Finding the Fourth Proportional to 25,569.80, 35,285.44 and 14,389.64

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Solution

The fourth proportional to 25,569.80, 35,285.44 and 14,389.64 is: 19,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,569.80 : 35,285.44 = 14,389.64 : x
  2. Step 2: Convert to fraction form
    25,569.80/35,285.44 = 14,389.64/x
  3. Step 3: Cross multiply
    25,569.80x = 35,285.44 × 14,389.64
  4. Step 4: Simplify right side
    25,569.80x = 507,744,778.84
  5. Step 5: Solve for x
    x = 507,744,778.84/25,569.80
  6. Step 6: Final answer
    x = 19,857.21

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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.