Home / 14,345.65-21,520.91-4,482.99

Finding the Fourth Proportional to 14,345.65, 21,520.91 and 4,482.99

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Solution

The fourth proportional to 14,345.65, 21,520.91 and 4,482.99 is: 6,725.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.65 : 21,520.91 = 4,482.99 : x
  2. Step 2: Convert to fraction form
    14,345.65/21,520.91 = 4,482.99/x
  3. Step 3: Cross multiply
    14,345.65x = 21,520.91 × 4,482.99
  4. Step 4: Simplify right side
    14,345.65x = 96,478,001.91
  5. Step 5: Solve for x
    x = 96,478,001.91/14,345.65
  6. Step 6: Final answer
    x = 6,725.25

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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.