Home / 25,685.63-35,446.29-14,355.31

Finding the Fourth Proportional to 25,685.63, 35,446.29 and 14,355.31

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Solution

The fourth proportional to 25,685.63, 35,446.29 and 14,355.31 is: 19,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.63 : 35,446.29 = 14,355.31 : x
  2. Step 2: Convert to fraction form
    25,685.63/35,446.29 = 14,355.31/x
  3. Step 3: Cross multiply
    25,685.63x = 35,446.29 × 14,355.31
  4. Step 4: Simplify right side
    25,685.63x = 508,842,481.30
  5. Step 5: Solve for x
    x = 508,842,481.30/25,685.63
  6. Step 6: Final answer
    x = 19,810.40

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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.