Home / 19,746.95-27,250.77-11,368.31

Finding the Fourth Proportional to 19,746.95, 27,250.77 and 11,368.31

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Solution

The fourth proportional to 19,746.95, 27,250.77 and 11,368.31 is: 15,688.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,746.95 : 27,250.77 = 11,368.31 : x
  2. Step 2: Convert to fraction form
    19,746.95/27,250.77 = 11,368.31/x
  3. Step 3: Cross multiply
    19,746.95x = 27,250.77 × 11,368.31
  4. Step 4: Simplify right side
    19,746.95x = 309,795,064.84
  5. Step 5: Solve for x
    x = 309,795,064.84/19,746.95
  6. Step 6: Final answer
    x = 15,688.25

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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.