Home / 25,805.04-35,612.37-14,478.12

Finding the Fourth Proportional to 25,805.04, 35,612.37 and 14,478.12

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Solution

The fourth proportional to 25,805.04, 35,612.37 and 14,478.12 is: 19,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,805.04 : 35,612.37 = 14,478.12 : x
  2. Step 2: Convert to fraction form
    25,805.04/35,612.37 = 14,478.12/x
  3. Step 3: Cross multiply
    25,805.04x = 35,612.37 × 14,478.12
  4. Step 4: Simplify right side
    25,805.04x = 515,600,166.34
  5. Step 5: Solve for x
    x = 515,600,166.34/25,805.04
  6. Step 6: Final answer
    x = 19,980.60

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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.