Home / 15,549.98-21,463.68-14,756.58

Finding the Fourth Proportional to 15,549.98, 21,463.68 and 14,756.58

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Solution

The fourth proportional to 15,549.98, 21,463.68 and 14,756.58 is: 20,368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549.98 : 21,463.68 = 14,756.58 : x
  2. Step 2: Convert to fraction form
    15,549.98/21,463.68 = 14,756.58/x
  3. Step 3: Cross multiply
    15,549.98x = 21,463.68 × 14,756.58
  4. Step 4: Simplify right side
    15,549.98x = 316,730,566.35
  5. Step 5: Solve for x
    x = 316,730,566.35/15,549.98
  6. Step 6: Final answer
    x = 20,368.56

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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.