Home / 15,994.50-22,075.65-9,281.58

Finding the Fourth Proportional to 15,994.50, 22,075.65 and 9,281.58

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Solution

The fourth proportional to 15,994.50, 22,075.65 and 9,281.58 is: 12,810.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,994.50 : 22,075.65 = 9,281.58 : x
  2. Step 2: Convert to fraction form
    15,994.50/22,075.65 = 9,281.58/x
  3. Step 3: Cross multiply
    15,994.50x = 22,075.65 × 9,281.58
  4. Step 4: Simplify right side
    15,994.50x = 204,896,911.53
  5. Step 5: Solve for x
    x = 204,896,911.53/15,994.50
  6. Step 6: Final answer
    x = 12,810.46

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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.