Home / 25,038.75-34,555.64-13,862.91

Finding the Fourth Proportional to 25,038.75, 34,555.64 and 13,862.91

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Solution

The fourth proportional to 25,038.75, 34,555.64 and 13,862.91 is: 19,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,038.75 : 34,555.64 = 13,862.91 : x
  2. Step 2: Convert to fraction form
    25,038.75/34,555.64 = 13,862.91/x
  3. Step 3: Cross multiply
    25,038.75x = 34,555.64 × 13,862.91
  4. Step 4: Simplify right side
    25,038.75x = 479,041,727.31
  5. Step 5: Solve for x
    x = 479,041,727.31/25,038.75
  6. Step 6: Final answer
    x = 19,132.01

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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.