Home / 25,160.76-34,721.44-13,830.01

Finding the Fourth Proportional to 25,160.76, 34,721.44 and 13,830.01

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Solution

The fourth proportional to 25,160.76, 34,721.44 and 13,830.01 is: 19,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,160.76 : 34,721.44 = 13,830.01 : x
  2. Step 2: Convert to fraction form
    25,160.76/34,721.44 = 13,830.01/x
  3. Step 3: Cross multiply
    25,160.76x = 34,721.44 × 13,830.01
  4. Step 4: Simplify right side
    25,160.76x = 480,197,688.81
  5. Step 5: Solve for x
    x = 480,197,688.81/25,160.76
  6. Step 6: Final answer
    x = 19,085.19

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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.