Home / 19,926.29-29,888.40-7,445.32

Finding the Fourth Proportional to 19,926.29, 29,888.40 and 7,445.32

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Solution

The fourth proportional to 19,926.29, 29,888.40 and 7,445.32 is: 11,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.29 : 29,888.40 = 7,445.32 : x
  2. Step 2: Convert to fraction form
    19,926.29/29,888.40 = 7,445.32/x
  3. Step 3: Cross multiply
    19,926.29x = 29,888.40 × 7,445.32
  4. Step 4: Simplify right side
    19,926.29x = 222,528,805.13
  5. Step 5: Solve for x
    x = 222,528,805.13/19,926.29
  6. Step 6: Final answer
    x = 11,167.60

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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.