Home / 19,702.51-27,189.40-10,750.02

Finding the Fourth Proportional to 19,702.51, 27,189.40 and 10,750.02

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Solution

The fourth proportional to 19,702.51, 27,189.40 and 10,750.02 is: 14,834.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702.51 : 27,189.40 = 10,750.02 : x
  2. Step 2: Convert to fraction form
    19,702.51/27,189.40 = 10,750.02/x
  3. Step 3: Cross multiply
    19,702.51x = 27,189.40 × 10,750.02
  4. Step 4: Simplify right side
    19,702.51x = 292,286,457.84
  5. Step 5: Solve for x
    x = 292,286,457.84/19,702.51
  6. Step 6: Final answer
    x = 14,834.99

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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.