Home / 25,386.34-38,079.50-6,666.34

Finding the Fourth Proportional to 25,386.34, 38,079.50 and 6,666.34

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Solution

The fourth proportional to 25,386.34, 38,079.50 and 6,666.34 is: 9,999.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,386.34 : 38,079.50 = 6,666.34 : x
  2. Step 2: Convert to fraction form
    25,386.34/38,079.50 = 6,666.34/x
  3. Step 3: Cross multiply
    25,386.34x = 38,079.50 × 6,666.34
  4. Step 4: Simplify right side
    25,386.34x = 253,850,894.03
  5. Step 5: Solve for x
    x = 253,850,894.03/25,386.34
  6. Step 6: Final answer
    x = 9,999.51

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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.