Home / 19,237.96-26,548.86-10,855

Finding the Fourth Proportional to 19,237.96, 26,548.86 and 10,855

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Solution

The fourth proportional to 19,237.96, 26,548.86 and 10,855 is: 14,980.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,237.96 : 26,548.86 = 10,855 : x
  2. Step 2: Convert to fraction form
    19,237.96/26,548.86 = 10,855/x
  3. Step 3: Cross multiply
    19,237.96x = 26,548.86 × 10,855
  4. Step 4: Simplify right side
    19,237.96x = 288,187,875.30
  5. Step 5: Solve for x
    x = 288,187,875.30/19,237.96
  6. Step 6: Final answer
    x = 14,980.17

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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.