Home / 19,340.36-26,681.70-11,783.93

Finding the Fourth Proportional to 19,340.36, 26,681.70 and 11,783.93

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Solution

The fourth proportional to 19,340.36, 26,681.70 and 11,783.93 is: 16,256.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,340.36 : 26,681.70 = 11,783.93 : x
  2. Step 2: Convert to fraction form
    19,340.36/26,681.70 = 11,783.93/x
  3. Step 3: Cross multiply
    19,340.36x = 26,681.70 × 11,783.93
  4. Step 4: Simplify right side
    19,340.36x = 314,415,151.67
  5. Step 5: Solve for x
    x = 314,415,151.67/19,340.36
  6. Step 6: Final answer
    x = 16,256.95

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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.