Home / 25,130.79-34,680.52-13,801.02

Finding the Fourth Proportional to 25,130.79, 34,680.52 and 13,801.02

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Solution

The fourth proportional to 25,130.79, 34,680.52 and 13,801.02 is: 19,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,130.79 : 34,680.52 = 13,801.02 : x
  2. Step 2: Convert to fraction form
    25,130.79/34,680.52 = 13,801.02/x
  3. Step 3: Cross multiply
    25,130.79x = 34,680.52 × 13,801.02
  4. Step 4: Simplify right side
    25,130.79x = 478,626,437.33
  5. Step 5: Solve for x
    x = 478,626,437.33/25,130.79
  6. Step 6: Final answer
    x = 19,045.42

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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.