Home / 19,436.89-29,159.58-6,290.59

Finding the Fourth Proportional to 19,436.89, 29,159.58 and 6,290.59

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Solution

The fourth proportional to 19,436.89, 29,159.58 and 6,290.59 is: 9,437.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.89 : 29,159.58 = 6,290.59 : x
  2. Step 2: Convert to fraction form
    19,436.89/29,159.58 = 6,290.59/x
  3. Step 3: Cross multiply
    19,436.89x = 29,159.58 × 6,290.59
  4. Step 4: Simplify right side
    19,436.89x = 183,430,962.35
  5. Step 5: Solve for x
    x = 183,430,962.35/19,436.89
  6. Step 6: Final answer
    x = 9,437.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.