Home / 14,547.66-20,075.22-8,259.36

Finding the Fourth Proportional to 14,547.66, 20,075.22 and 8,259.36

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Solution

The fourth proportional to 14,547.66, 20,075.22 and 8,259.36 is: 11,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,547.66 : 20,075.22 = 8,259.36 : x
  2. Step 2: Convert to fraction form
    14,547.66/20,075.22 = 8,259.36/x
  3. Step 3: Cross multiply
    14,547.66x = 20,075.22 × 8,259.36
  4. Step 4: Simplify right side
    14,547.66x = 165,808,469.06
  5. Step 5: Solve for x
    x = 165,808,469.06/14,547.66
  6. Step 6: Final answer
    x = 11,397.60

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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.