Home / 25,670.71-35,423.53-14,339.31

Finding the Fourth Proportional to 25,670.71, 35,423.53 and 14,339.31

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Solution

The fourth proportional to 25,670.71, 35,423.53 and 14,339.31 is: 19,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,670.71 : 35,423.53 = 14,339.31 : x
  2. Step 2: Convert to fraction form
    25,670.71/35,423.53 = 14,339.31/x
  3. Step 3: Cross multiply
    25,670.71x = 35,423.53 × 14,339.31
  4. Step 4: Simplify right side
    25,670.71x = 507,948,977.96
  5. Step 5: Solve for x
    x = 507,948,977.96/25,670.71
  6. Step 6: Final answer
    x = 19,787.10

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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.