Home / 25,041.63-34,557.51-13,711.21

Finding the Fourth Proportional to 25,041.63, 34,557.51 and 13,711.21

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Solution

The fourth proportional to 25,041.63, 34,557.51 and 13,711.21 is: 18,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,041.63 : 34,557.51 = 13,711.21 : x
  2. Step 2: Convert to fraction form
    25,041.63/34,557.51 = 13,711.21/x
  3. Step 3: Cross multiply
    25,041.63x = 34,557.51 × 13,711.21
  4. Step 4: Simplify right side
    25,041.63x = 473,825,276.69
  5. Step 5: Solve for x
    x = 473,825,276.69/25,041.63
  6. Step 6: Final answer
    x = 18,921.50

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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.