Home / 27,453.84-37,886.40-14,878.56

Finding the Fourth Proportional to 27,453.84, 37,886.40 and 14,878.56

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Solution

The fourth proportional to 27,453.84, 37,886.40 and 14,878.56 is: 20,532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,453.84 : 37,886.40 = 14,878.56 : x
  2. Step 2: Convert to fraction form
    27,453.84/37,886.40 = 14,878.56/x
  3. Step 3: Cross multiply
    27,453.84x = 37,886.40 × 14,878.56
  4. Step 4: Simplify right side
    27,453.84x = 563,695,075.58
  5. Step 5: Solve for x
    x = 563,695,075.58/27,453.84
  6. Step 6: Final answer
    x = 20,532.47

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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.