Home / 25,854.90-35,678.63-15,800.16

Finding the Fourth Proportional to 25,854.90, 35,678.63 and 15,800.16

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Solution

The fourth proportional to 25,854.90, 35,678.63 and 15,800.16 is: 21,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,854.90 : 35,678.63 = 15,800.16 : x
  2. Step 2: Convert to fraction form
    25,854.90/35,678.63 = 15,800.16/x
  3. Step 3: Cross multiply
    25,854.90x = 35,678.63 × 15,800.16
  4. Step 4: Simplify right side
    25,854.90x = 563,728,147.00
  5. Step 5: Solve for x
    x = 563,728,147.00/25,854.90
  6. Step 6: Final answer
    x = 21,803.54

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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.