Home / 13,875.06-20,810.70-11,549.82

Finding the Fourth Proportional to 13,875.06, 20,810.70 and 11,549.82

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Solution

The fourth proportional to 13,875.06, 20,810.70 and 11,549.82 is: 17,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875.06 : 20,810.70 = 11,549.82 : x
  2. Step 2: Convert to fraction form
    13,875.06/20,810.70 = 11,549.82/x
  3. Step 3: Cross multiply
    13,875.06x = 20,810.70 × 11,549.82
  4. Step 4: Simplify right side
    13,875.06x = 240,359,839.07
  5. Step 5: Solve for x
    x = 240,359,839.07/13,875.06
  6. Step 6: Final answer
    x = 17,323.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.