Home / 25,303.16-34,915.70-14,690.72

Finding the Fourth Proportional to 25,303.16, 34,915.70 and 14,690.72

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Solution

The fourth proportional to 25,303.16, 34,915.70 and 14,690.72 is: 20,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,303.16 : 34,915.70 = 14,690.72 : x
  2. Step 2: Convert to fraction form
    25,303.16/34,915.70 = 14,690.72/x
  3. Step 3: Cross multiply
    25,303.16x = 34,915.70 × 14,690.72
  4. Step 4: Simplify right side
    25,303.16x = 512,936,772.30
  5. Step 5: Solve for x
    x = 512,936,772.30/25,303.16
  6. Step 6: Final answer
    x = 20,271.65

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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.