Home / 25,045.36-34,563-13,866.64

Finding the Fourth Proportional to 25,045.36, 34,563 and 13,866.64

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Solution

The fourth proportional to 25,045.36, 34,563 and 13,866.64 is: 19,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,045.36 : 34,563 = 13,866.64 : x
  2. Step 2: Convert to fraction form
    25,045.36/34,563 = 13,866.64/x
  3. Step 3: Cross multiply
    25,045.36x = 34,563 × 13,866.64
  4. Step 4: Simplify right side
    25,045.36x = 479,272,678.32
  5. Step 5: Solve for x
    x = 479,272,678.32/25,045.36
  6. Step 6: Final answer
    x = 19,136.19

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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.