Home / 15,931.40-23,897.10-9,710.60

Finding the Fourth Proportional to 15,931.40, 23,897.10 and 9,710.60

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Solution

The fourth proportional to 15,931.40, 23,897.10 and 9,710.60 is: 14,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.40 : 23,897.10 = 9,710.60 : x
  2. Step 2: Convert to fraction form
    15,931.40/23,897.10 = 9,710.60/x
  3. Step 3: Cross multiply
    15,931.40x = 23,897.10 × 9,710.60
  4. Step 4: Simplify right side
    15,931.40x = 232,055,179.26
  5. Step 5: Solve for x
    x = 232,055,179.26/15,931.40
  6. Step 6: Final answer
    x = 14,565.90

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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.