Home / 25,130.10-34,678.18-13,801.08

Finding the Fourth Proportional to 25,130.10, 34,678.18 and 13,801.08

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Solution

The fourth proportional to 25,130.10, 34,678.18 and 13,801.08 is: 19,044.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,130.10 : 34,678.18 = 13,801.08 : x
  2. Step 2: Convert to fraction form
    25,130.10/34,678.18 = 13,801.08/x
  3. Step 3: Cross multiply
    25,130.10x = 34,678.18 × 13,801.08
  4. Step 4: Simplify right side
    25,130.10x = 478,596,406.10
  5. Step 5: Solve for x
    x = 478,596,406.10/25,130.10
  6. Step 6: Final answer
    x = 19,044.75

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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.