Home / 14,547.24-20,075.85-8,579.16

Finding the Fourth Proportional to 14,547.24, 20,075.85 and 8,579.16

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Solution

The fourth proportional to 14,547.24, 20,075.85 and 8,579.16 is: 11,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,547.24 : 20,075.85 = 8,579.16 : x
  2. Step 2: Convert to fraction form
    14,547.24/20,075.85 = 8,579.16/x
  3. Step 3: Cross multiply
    14,547.24x = 20,075.85 × 8,579.16
  4. Step 4: Simplify right side
    14,547.24x = 172,233,929.29
  5. Step 5: Solve for x
    x = 172,233,929.29/14,547.24
  6. Step 6: Final answer
    x = 11,839.63

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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.