Home / 15,288.36-22,931.58-5,426.34

Finding the Fourth Proportional to 15,288.36, 22,931.58 and 5,426.34

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Solution

The fourth proportional to 15,288.36, 22,931.58 and 5,426.34 is: 8,139.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288.36 : 22,931.58 = 5,426.34 : x
  2. Step 2: Convert to fraction form
    15,288.36/22,931.58 = 5,426.34/x
  3. Step 3: Cross multiply
    15,288.36x = 22,931.58 × 5,426.34
  4. Step 4: Simplify right side
    15,288.36x = 124,434,549.82
  5. Step 5: Solve for x
    x = 124,434,549.82/15,288.36
  6. Step 6: Final answer
    x = 8,139.17

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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.