Home / 25,637.16-38,455.47-8,106.99

Finding the Fourth Proportional to 25,637.16, 38,455.47 and 8,106.99

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Solution

The fourth proportional to 25,637.16, 38,455.47 and 8,106.99 is: 12,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,637.16 : 38,455.47 = 8,106.99 : x
  2. Step 2: Convert to fraction form
    25,637.16/38,455.47 = 8,106.99/x
  3. Step 3: Cross multiply
    25,637.16x = 38,455.47 × 8,106.99
  4. Step 4: Simplify right side
    25,637.16x = 311,758,110.74
  5. Step 5: Solve for x
    x = 311,758,110.74/25,637.16
  6. Step 6: Final answer
    x = 12,160.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.