Home / 14,075.03-19,423.38-7,787.45

Finding the Fourth Proportional to 14,075.03, 19,423.38 and 7,787.45

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Solution

The fourth proportional to 14,075.03, 19,423.38 and 7,787.45 is: 10,746.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.03 : 19,423.38 = 7,787.45 : x
  2. Step 2: Convert to fraction form
    14,075.03/19,423.38 = 7,787.45/x
  3. Step 3: Cross multiply
    14,075.03x = 19,423.38 × 7,787.45
  4. Step 4: Simplify right side
    14,075.03x = 151,258,503.46
  5. Step 5: Solve for x
    x = 151,258,503.46/14,075.03
  6. Step 6: Final answer
    x = 10,746.59

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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.