Home / 25,290.16-34,913.54-18,476.53

Finding the Fourth Proportional to 25,290.16, 34,913.54 and 18,476.53

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Solution

The fourth proportional to 25,290.16, 34,913.54 and 18,476.53 is: 25,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,290.16 : 34,913.54 = 18,476.53 : x
  2. Step 2: Convert to fraction form
    25,290.16/34,913.54 = 18,476.53/x
  3. Step 3: Cross multiply
    25,290.16x = 34,913.54 × 18,476.53
  4. Step 4: Simplify right side
    25,290.16x = 645,081,089.76
  5. Step 5: Solve for x
    x = 645,081,089.76/25,290.16
  6. Step 6: Final answer
    x = 25,507.20

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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.