Home / 15,483.69-21,369.29-14,533.66

Finding the Fourth Proportional to 15,483.69, 21,369.29 and 14,533.66

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Solution

The fourth proportional to 15,483.69, 21,369.29 and 14,533.66 is: 20,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,483.69 : 21,369.29 = 14,533.66 : x
  2. Step 2: Convert to fraction form
    15,483.69/21,369.29 = 14,533.66/x
  3. Step 3: Cross multiply
    15,483.69x = 21,369.29 × 14,533.66
  4. Step 4: Simplify right side
    15,483.69x = 310,573,949.34
  5. Step 5: Solve for x
    x = 310,573,949.34/15,483.69
  6. Step 6: Final answer
    x = 20,058.14

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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.