Home / 14,075.45-21,123.53-11,335.19

Finding the Fourth Proportional to 14,075.45, 21,123.53 and 11,335.19

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Solution

The fourth proportional to 14,075.45, 21,123.53 and 11,335.19 is: 17,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.45 : 21,123.53 = 11,335.19 : x
  2. Step 2: Convert to fraction form
    14,075.45/21,123.53 = 11,335.19/x
  3. Step 3: Cross multiply
    14,075.45x = 21,123.53 × 11,335.19
  4. Step 4: Simplify right side
    14,075.45x = 239,439,288.81
  5. Step 5: Solve for x
    x = 239,439,288.81/14,075.45
  6. Step 6: Final answer
    x = 17,011.13

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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.