Home / 25,011.95-34,516.53-13,681.49

Finding the Fourth Proportional to 25,011.95, 34,516.53 and 13,681.49

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Solution

The fourth proportional to 25,011.95, 34,516.53 and 13,681.49 is: 18,880.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,011.95 : 34,516.53 = 13,681.49 : x
  2. Step 2: Convert to fraction form
    25,011.95/34,516.53 = 13,681.49/x
  3. Step 3: Cross multiply
    25,011.95x = 34,516.53 × 13,681.49
  4. Step 4: Simplify right side
    25,011.95x = 472,237,387.45
  5. Step 5: Solve for x
    x = 472,237,387.45/25,011.95
  6. Step 6: Final answer
    x = 18,880.47

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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.