Home / 27,629.95-38,113.05-19,554.52

Finding the Fourth Proportional to 27,629.95, 38,113.05 and 19,554.52

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Solution

The fourth proportional to 27,629.95, 38,113.05 and 19,554.52 is: 26,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.95 : 38,113.05 = 19,554.52 : x
  2. Step 2: Convert to fraction form
    27,629.95/38,113.05 = 19,554.52/x
  3. Step 3: Cross multiply
    27,629.95x = 38,113.05 × 19,554.52
  4. Step 4: Simplify right side
    27,629.95x = 745,282,398.49
  5. Step 5: Solve for x
    x = 745,282,398.49/27,629.95
  6. Step 6: Final answer
    x = 26,973.72

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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.