Home / 25,148.66-34,705.70-13,818.32

Finding the Fourth Proportional to 25,148.66, 34,705.70 and 13,818.32

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Solution

The fourth proportional to 25,148.66, 34,705.70 and 13,818.32 is: 19,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.66 : 34,705.70 = 13,818.32 : x
  2. Step 2: Convert to fraction form
    25,148.66/34,705.70 = 13,818.32/x
  3. Step 3: Cross multiply
    25,148.66x = 34,705.70 × 13,818.32
  4. Step 4: Simplify right side
    25,148.66x = 479,574,468.42
  5. Step 5: Solve for x
    x = 479,574,468.42/25,148.66
  6. Step 6: Final answer
    x = 19,069.58

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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.