Home / 19,394.63-29,085.59-7,547.57

Finding the Fourth Proportional to 19,394.63, 29,085.59 and 7,547.57

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Solution

The fourth proportional to 19,394.63, 29,085.59 and 7,547.57 is: 11,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,394.63 : 29,085.59 = 7,547.57 : x
  2. Step 2: Convert to fraction form
    19,394.63/29,085.59 = 7,547.57/x
  3. Step 3: Cross multiply
    19,394.63x = 29,085.59 × 7,547.57
  4. Step 4: Simplify right side
    19,394.63x = 219,525,618.10
  5. Step 5: Solve for x
    x = 219,525,618.10/19,394.63
  6. Step 6: Final answer
    x = 11,318.89

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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.