Home / 25,220.16-34,809.84-14,615.64

Finding the Fourth Proportional to 25,220.16, 34,809.84 and 14,615.64

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Solution

The fourth proportional to 25,220.16, 34,809.84 and 14,615.64 is: 20,173.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,220.16 : 34,809.84 = 14,615.64 : x
  2. Step 2: Convert to fraction form
    25,220.16/34,809.84 = 14,615.64/x
  3. Step 3: Cross multiply
    25,220.16x = 34,809.84 × 14,615.64
  4. Step 4: Simplify right side
    25,220.16x = 508,768,089.90
  5. Step 5: Solve for x
    x = 508,768,089.90/25,220.16
  6. Step 6: Final answer
    x = 20,173.07

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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.