Home / 16,875.40-25,317.79-7,386.02

Finding the Fourth Proportional to 16,875.40, 25,317.79 and 7,386.02

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Solution

The fourth proportional to 16,875.40, 25,317.79 and 7,386.02 is: 11,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,875.40 : 25,317.79 = 7,386.02 : x
  2. Step 2: Convert to fraction form
    16,875.40/25,317.79 = 7,386.02/x
  3. Step 3: Cross multiply
    16,875.40x = 25,317.79 × 7,386.02
  4. Step 4: Simplify right side
    16,875.40x = 186,997,666.37
  5. Step 5: Solve for x
    x = 186,997,666.37/16,875.40
  6. Step 6: Final answer
    x = 11,081.08

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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.