Home / 18,681.52-25,779.48-10,297.36

Finding the Fourth Proportional to 18,681.52, 25,779.48 and 10,297.36

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Solution

The fourth proportional to 18,681.52, 25,779.48 and 10,297.36 is: 14,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681.52 : 25,779.48 = 10,297.36 : x
  2. Step 2: Convert to fraction form
    18,681.52/25,779.48 = 10,297.36/x
  3. Step 3: Cross multiply
    18,681.52x = 25,779.48 × 10,297.36
  4. Step 4: Simplify right side
    18,681.52x = 265,460,586.17
  5. Step 5: Solve for x
    x = 265,460,586.17/18,681.52
  6. Step 6: Final answer
    x = 14,209.80

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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.