Home / 25,411.86-35,072.64-14,807.79

Finding the Fourth Proportional to 25,411.86, 35,072.64 and 14,807.79

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Solution

The fourth proportional to 25,411.86, 35,072.64 and 14,807.79 is: 20,437.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,411.86 : 35,072.64 = 14,807.79 : x
  2. Step 2: Convert to fraction form
    25,411.86/35,072.64 = 14,807.79/x
  3. Step 3: Cross multiply
    25,411.86x = 35,072.64 × 14,807.79
  4. Step 4: Simplify right side
    25,411.86x = 519,348,287.87
  5. Step 5: Solve for x
    x = 519,348,287.87/25,411.86
  6. Step 6: Final answer
    x = 20,437.24

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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.