Home / 19,973.17-29,931.20-14,666.54

Finding the Fourth Proportional to 19,973.17, 29,931.20 and 14,666.54

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Solution

The fourth proportional to 19,973.17, 29,931.20 and 14,666.54 is: 21,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.17 : 29,931.20 = 14,666.54 : x
  2. Step 2: Convert to fraction form
    19,973.17/29,931.20 = 14,666.54/x
  3. Step 3: Cross multiply
    19,973.17x = 29,931.20 × 14,666.54
  4. Step 4: Simplify right side
    19,973.17x = 438,987,068.72
  5. Step 5: Solve for x
    x = 438,987,068.72/19,973.17
  6. Step 6: Final answer
    x = 21,978.84

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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.