Home / 25,314.48-34,930.98-14,702.40

Finding the Fourth Proportional to 25,314.48, 34,930.98 and 14,702.40

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Solution

The fourth proportional to 25,314.48, 34,930.98 and 14,702.40 is: 20,287.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,314.48 : 34,930.98 = 14,702.40 : x
  2. Step 2: Convert to fraction form
    25,314.48/34,930.98 = 14,702.40/x
  3. Step 3: Cross multiply
    25,314.48x = 34,930.98 × 14,702.40
  4. Step 4: Simplify right side
    25,314.48x = 513,569,240.35
  5. Step 5: Solve for x
    x = 513,569,240.35/25,314.48
  6. Step 6: Final answer
    x = 20,287.57

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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.