Home / 15,041.79-22,547.82-7,130.42

Finding the Fourth Proportional to 15,041.79, 22,547.82 and 7,130.42

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Solution

The fourth proportional to 15,041.79, 22,547.82 and 7,130.42 is: 10,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041.79 : 22,547.82 = 7,130.42 : x
  2. Step 2: Convert to fraction form
    15,041.79/22,547.82 = 7,130.42/x
  3. Step 3: Cross multiply
    15,041.79x = 22,547.82 × 7,130.42
  4. Step 4: Simplify right side
    15,041.79x = 160,775,426.68
  5. Step 5: Solve for x
    x = 160,775,426.68/15,041.79
  6. Step 6: Final answer
    x = 10,688.58

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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.