Home / 25,315.32-34,935-14,711.16

Finding the Fourth Proportional to 25,315.32, 34,935 and 14,711.16

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Solution

The fourth proportional to 25,315.32, 34,935 and 14,711.16 is: 20,301.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315.32 : 34,935 = 14,711.16 : x
  2. Step 2: Convert to fraction form
    25,315.32/34,935 = 14,711.16/x
  3. Step 3: Cross multiply
    25,315.32x = 34,935 × 14,711.16
  4. Step 4: Simplify right side
    25,315.32x = 513,934,374.60
  5. Step 5: Solve for x
    x = 513,934,374.60/25,315.32
  6. Step 6: Final answer
    x = 20,301.32

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Double scale
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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.