Home / 53,585.16-80,369.88-14,145.06

Finding the Fourth Proportional to 53,585.16, 80,369.88 and 14,145.06

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Solution

The fourth proportional to 53,585.16, 80,369.88 and 14,145.06 is: 21,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,585.16 : 80,369.88 = 14,145.06 : x
  2. Step 2: Convert to fraction form
    53,585.16/80,369.88 = 14,145.06/x
  3. Step 3: Cross multiply
    53,585.16x = 80,369.88 × 14,145.06
  4. Step 4: Simplify right side
    53,585.16x = 1,136,836,774.79
  5. Step 5: Solve for x
    x = 1,136,836,774.79/53,585.16
  6. Step 6: Final answer
    x = 21,215.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.