Home / 25,618.77-35,354.10-14,289.01

Finding the Fourth Proportional to 25,618.77, 35,354.10 and 14,289.01

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Solution

The fourth proportional to 25,618.77, 35,354.10 and 14,289.01 is: 19,718.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.77 : 35,354.10 = 14,289.01 : x
  2. Step 2: Convert to fraction form
    25,618.77/35,354.10 = 14,289.01/x
  3. Step 3: Cross multiply
    25,618.77x = 35,354.10 × 14,289.01
  4. Step 4: Simplify right side
    25,618.77x = 505,175,088.44
  5. Step 5: Solve for x
    x = 505,175,088.44/25,618.77
  6. Step 6: Final answer
    x = 19,718.94

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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.