Home / 15,124.96-20,871.04-14,010.40

Finding the Fourth Proportional to 15,124.96, 20,871.04 and 14,010.40

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Solution

The fourth proportional to 15,124.96, 20,871.04 and 14,010.40 is: 19,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124.96 : 20,871.04 = 14,010.40 : x
  2. Step 2: Convert to fraction form
    15,124.96/20,871.04 = 14,010.40/x
  3. Step 3: Cross multiply
    15,124.96x = 20,871.04 × 14,010.40
  4. Step 4: Simplify right side
    15,124.96x = 292,411,618.82
  5. Step 5: Solve for x
    x = 292,411,618.82/15,124.96
  6. Step 6: Final answer
    x = 19,333.05

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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.