Home / 19,038.93-26,287.59-15,282.76

Finding the Fourth Proportional to 19,038.93, 26,287.59 and 15,282.76

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Solution

The fourth proportional to 19,038.93, 26,287.59 and 15,282.76 is: 21,101.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.93 : 26,287.59 = 15,282.76 : x
  2. Step 2: Convert to fraction form
    19,038.93/26,287.59 = 15,282.76/x
  3. Step 3: Cross multiply
    19,038.93x = 26,287.59 × 15,282.76
  4. Step 4: Simplify right side
    19,038.93x = 401,746,928.95
  5. Step 5: Solve for x
    x = 401,746,928.95/19,038.93
  6. Step 6: Final answer
    x = 21,101.34

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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.