Home / 19,928.48-29,878.08-9,547.52

Finding the Fourth Proportional to 19,928.48, 29,878.08 and 9,547.52

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Solution

The fourth proportional to 19,928.48, 29,878.08 and 9,547.52 is: 14,314.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.48 : 29,878.08 = 9,547.52 : x
  2. Step 2: Convert to fraction form
    19,928.48/29,878.08 = 9,547.52/x
  3. Step 3: Cross multiply
    19,928.48x = 29,878.08 × 9,547.52
  4. Step 4: Simplify right side
    19,928.48x = 285,261,566.36
  5. Step 5: Solve for x
    x = 285,261,566.36/19,928.48
  6. Step 6: Final answer
    x = 14,314.27

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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.