Home / 25,219.67-34,802.85-13,888.92

Finding the Fourth Proportional to 25,219.67, 34,802.85 and 13,888.92

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Solution

The fourth proportional to 25,219.67, 34,802.85 and 13,888.92 is: 19,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,219.67 : 34,802.85 = 13,888.92 : x
  2. Step 2: Convert to fraction form
    25,219.67/34,802.85 = 13,888.92/x
  3. Step 3: Cross multiply
    25,219.67x = 34,802.85 × 13,888.92
  4. Step 4: Simplify right side
    25,219.67x = 483,373,999.42
  5. Step 5: Solve for x
    x = 483,373,999.42/25,219.67
  6. Step 6: Final answer
    x = 19,166.55

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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.