Home / 25,312.28-34,931.06-13,827.35

Finding the Fourth Proportional to 25,312.28, 34,931.06 and 13,827.35

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Solution

The fourth proportional to 25,312.28, 34,931.06 and 13,827.35 is: 19,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,312.28 : 34,931.06 = 13,827.35 : x
  2. Step 2: Convert to fraction form
    25,312.28/34,931.06 = 13,827.35/x
  3. Step 3: Cross multiply
    25,312.28x = 34,931.06 × 13,827.35
  4. Step 4: Simplify right side
    25,312.28x = 483,004,003.18
  5. Step 5: Solve for x
    x = 483,004,003.18/25,312.28
  6. Step 6: Final answer
    x = 19,081.81

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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.