Home / 18,663.32-25,758.74-10,708.18

Finding the Fourth Proportional to 18,663.32, 25,758.74 and 10,708.18

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Solution

The fourth proportional to 18,663.32, 25,758.74 and 10,708.18 is: 14,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663.32 : 25,758.74 = 10,708.18 : x
  2. Step 2: Convert to fraction form
    18,663.32/25,758.74 = 10,708.18/x
  3. Step 3: Cross multiply
    18,663.32x = 25,758.74 × 10,708.18
  4. Step 4: Simplify right side
    18,663.32x = 275,829,224.49
  5. Step 5: Solve for x
    x = 275,829,224.49/18,663.32
  6. Step 6: Final answer
    x = 14,779.22

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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.